Oarai Aquarium ~ Aqua World Ibaraki Prefecture Oarai Aquarium Research Results

DatetitlePresentation formPresentation destinationPresenter
Reiwa 6/10Low microbial abundance and community diversity within the egg capsule of the oviparous cloudy catshark (Scyliorhinus torazame) during ovipositionPostEnvironmental Microbiology ReportsWataru Takagi, Ayami Masuda, Koya Shimoyama (Atmosphere and Ocean Research Institute, The University of Tokyo), Kotaro Tokunaga (Aqua World Oarai), Susumu Hyodo (Atmosphere and Ocean Research Institute, The University of Tokyo), Yuki Sato-Takabe (Faculty of Agriculture, The University of Tokyo)
Reiwa 6/10Morphology of the unique egg cases of hornsharks (Heterodontiformes: Heterodontidae)PostJournal of Fish BiologyHelen L. O'Neill (CSIRO), Kotaro Tokunaga (Aquaworld Oarai) and William T. White (CSIRO)
Reiwa 6/8Oocyte maturation and ovulation in cultured catshark follicular follicles and production of recombinant luteinizing hormonePoster presentationThe 48th Annual Meeting of the Japanese Society for Comparative EndocrinologyRyotaro Inoue, Shogo Arimura (Atmospheric and Ocean Research Institute, The University of Tokyo), Takanori Kinugasa (Hokkaido University), Hiroya Shimoyama, Kuoncheng Huang, Wataru Takagi (Atmospheric and Ocean Research Institute, The University of Tokyo), Kotaro Tokunaga (Aquaworld Oarai), Nariyasu Ijiri (Hokkaido University), Susumu Hyodo (Atmospheric and Ocean Research Institute, The University of Tokyo)
Reiwa 6/7Reproduction and pup growth of the Sand tiger shar k Carcharias taurus
at Ibaraki Prefectural Oarai Aquarium, Japan
Oral Presentation (Outstanding Speaker Award)American Elasmobranch SocietyKotaro Tokunaga, Shinsuke Saito, Kazuhiro Shibagaki, Takashi Sakai,
Junichi Fujimori (Aqua World Oarai)
Reiwa 6/7Photo-identification survey and movement of Sand tiger shark Carcharias taurus ,at Ogasawara Archipelago in JapanOral presentationAmerican Elasmobranch SocietyMasayuki Nakamura, Keisuke Kondo (Marine World Uminonakamichi),
Reproductive Management Committee for Sand Tiger Sharks (Aqua World, Oarai, etc.)
Reiwa 6/6Dynamics and function of progesterone in the egg-laying cycle of cloudy
catshark (Scyliorhinus torazame)
Oral presentationInternational Congress on the Biology of FishKoya Shimoyama, Takuto Inoue (Atmosphere and Ocean Research Institute, University of Tokyo), Kotaro Tokunaga (Aqua World Oarai), Wataru Takagi and Susumu
Hyodo (Atmosphere and Ocean Research Institute, University of Tokyo)
Reiwa 6/4Functional characterization of follicle-stimulating hormone and luteinizing hormone receptors in cloudy catshark, Scyliorhinus torazamePostELSEVIERShogo Arimura, Marty Kwok Shing Wong, Ryotaro Inoue, Mai Kawano, Koya Shimoyama a, Chika Fujimori (Atmosphere and Ocean Research Institute, The University of Tokyo), Kotaro Tokunaga (Aqua World Oarai), Wataru Takagi, Susumu Hyodo (Atmosphere and Ocean Research Institute, The University of Tokyo)
Reiwa 5/12Freshwater adaptation and renal function of the euryhaline stingray: analysis from the perspective of nutrient retentionPoster presentationJapan Elasmobranch Symposium 2023Maho Yamazaki, Naotaka Aburaya (Atmospheric and Oceanic Research Institute, The University of Tokyo), Kotaro Tokunaga (Aquaworld, Oarai), Wataru Takagi, Susumu Hyodo (Atmospheric and Oceanic Research Institute, The University of Tokyo)
Reiwa 5/12Analysis of bacterial flora in the eggshell of the oviparous elasmobranch catshark and search for antibacterial substancesPoster presentationJapan Elasmobranch Symposium 2023Wataru Takagi (Atmospheric and Oceanic Research Institute, The University of Tokyo), Yuki Takabe (Department of Home Economics, Japan Women's University), Emi Takata, Ayami Masuda (Atmospheric and Oceanic Research Institute, The University of Tokyo), Kotaro Tokunaga (Aqua World, Oarai), Susumu Hyodo (Atmospheric and Oceanic Research Institute, The University of Tokyo)
Reiwa 5/12Progesterone triggers eggshell formation in catsharksOral presentationJapan Elasmobranch Symposium 2023Hiroya Shimoyama (Atmosphere and Ocean Research Institute, The University of Tokyo), Kotaro Tokunaga (Aqua World, Oarai), Wataru Takagi, Susumu Hyodo (Atmosphere and Ocean Research Institute, The University of Tokyo)
Reiwa 5/12Treatment and prognosis of poorly swimming grey nurse shark calvesOral presentationJapan Elasmobranch Symposium 2023○ Kotaro Tokunaga, Shinsuke Saito, Takashi Sakai (Aqua World, Oarai)
Reiwa 5/12First record of cotton-top jellyfish in Ibaraki Prefecture Tiaricodon orientalis(Hydrozoa, Anthomedusa)PostBulletin of the Biogeographical Society of Japan, Vol. 78
Reiwa 5/12CD4 and LAG-3 from sharks to humans: related molecules with motifs for opposing functionsPostFrontiers in ImmunologyFumio Takizawa (Fukui Prefectural University), Keiichiro Hashimoto (Fujita Health University), Ryuichiro Miyazawa (University of Pennsylvania), Yuko Ohta (University of Maryland), Ana Verı´ssimo (University of Porto), Martin F. Flajnik (University of Maryland), David Parra (Aqua Department), Kotaro Tokunaga (Aqua World Oarai), Hiroaki Suetake (Fukui Prefectural University), J. Oriol Sunyer (University of Pennsylvania) and Johannes M. Dijkstra (Fujita Health University)
Reiwa 5/9A jellyfish found off the coast of Muroto, Kochi PrefectureOral presentationJapan Cnidaria and Ctenophore Research Colloquium Kochi Conference
Reiwa 5/7Species in Disguise: A New Species of Hornshark from Northern Australia (Heterodontiformes: Heterodontidae)
Similar species: A new species of horn shark from northern Australia
PostMDPIWilliam T. White (CSIRO),* Frederik H. Mollen (Elasmobranch Research), Helen L. O'Neill (CSIRO), Lei Yang and Gavin JP Naylor (Florida Museum of Natural History) *listed in the acknowledgements
Reiwa 5/5Progesterone initiates tendril formation in the oviducal gland during egg encapsulation in cloudy catshark (Scyliorhinus torazame)
On the formation of vines in the shell gland of the catshark, Mesuttodon gracilis
PostZoological LettersKoya Shimoyama, Mai Kawano, Nobuhiro Ogawa (Atmosphere and Ocean Research Institute, The University of Tokyo), Kotaro Tokunaga (Aqua World Oarai), Wataru Takagi (Atmosphere and Ocean Research Institute, The University of Tokyo), Makito Kobayashi (International Christian University) and Susumu Hyodo (Atmosphere and Ocean Research Institute, The University of Tokyo)
Reiwa 5/5Shark Teeth and Arrowheads in Western Japan
~Collection of shark teeth in Western Japan and reexamination of Yayoi period "shark tooth arrowheads"~
PostIbaraki Archaeological Association Journal No. 35 (offprint)Motoyuki Suzuki (Hitachiota City Board of Education) *Listed in the Acknowledgements section
Reiwa 5/1Segment-dependent Gene Expression Profiling of the Cartilaginous Fish Nephron Using Laser Microdissection for Functional Characterization of Nephron at Segment Levels
Segment-dependent gene expression profiling of chondrichthyan nephrons and functional assessment at the nephron segment level by laser microdissection
PostZOOLOGICAL SCIENCE MagazineTakashi Horie, Wataru Takagi, Naotaka Aburatani, Manabu Yamazaki (Atmosphere and Ocean Research Institute, The University of Tokyo), Mayu Inokuchi, Masaya Tachizawa, Kataaki Okubo (Faculty of Agriculture, The University of Tokyo), Ritsuko Ohtani-Kaneko (Toyo University), Kotaro Tokunaga (Aqua World Oarai), Marty Kwok-Sing Wong, and Susumu Hyodo (Atmosphere and Ocean Research Institute, The University of Tokyo)
Reiwa 4/6A new genus and species from Japan Octorhopalona saltatrix (Hydrozoa, Anthomedusa)PostAnimals magazine
Reiwa 4/6Long-term monitoring of egg-laying cycle using ultrasonography reveals the
reproductive dynamics of circulating sex steroids in an oviparous catshark,
Scyliorhinus torazame
Long-term monitoring of spawning cycle of catsharks by ultrasound revealsScyliorhinus torazameReproductive dynamics of circulating sex hormones
PostELSEVIER MagazineTakuto Inoue, Koya Shimoyama, Momoko Saito, Marty Kwok-Shing Wong, Kiriko Ikeba (Atmosphere and Ocean Research Institute, The University of Tokyo), Ryo Nozu, Rui Matsumoto, Kiyomi Murakumo, Keiichi Sato (Okinawa Churaumi Aquarium), Kotaro Tokunaga, Kazuya Kofuji (Aqua World Oarai), Wataru Takagi, Susumu Hyodo (Atmosphere and Ocean Research Institute, The University of Tokyo)
Reiwa 4/3Molecular mechanism of nutrient uptake in developing embryos of oviparous cloudy catshark (Scyliorhinus torazame)PostPLoS ONEYuki Honda, Nobuhiro Ogawa, Marty KS Wong (Atmosphere and Ocean Research Institute, The University of Tokyo), Kotaro Tokunaga (Aqua World Oarai), Shigehiro Kuraku (RIKEN), Susumu Hyodo and Wataru Takagi (Atmosphere and Ocean Research Institute, The University of Tokyo)
Reiwa 3/12Image-based individual identification of sand tiger sharks, Carcharias taurus, in the Ogasawara IslandsPostBulletin of the Elasmobranch Research Society No. 57Masayuki Nakamura (Marine World Umi-no-Nakamichi), Akira Tanaka (Tokai University), Grey Shark Breeding Council (Aqua World Oarai, etc.)
Reiwa 3/12Non-invasive identification of catshark spawning cycle and changes in sex steroid hormones using ultrasound examinationOral presentationJapan Elasmobranch Symposium 2021Susumu Hyodo, Takuto Inoue, Koya Shimoyama, Shinji Kawano, Momoko Saito (Atmosphere and Ocean Research Institute, The University of Tokyo), Satoru Nozu, Kiyomi Murakumo, Rui Matsumoto (Okinawa Churashima Foundation), Kotaro Tokunaga (Aqua World Oarai), Keiichi Sato (Okinawa Churashima Foundation)
Reiwa 3/12Survey of individual grey nurse sharks using images in the Ogasawara IslandsOral presentationJapan Elasmobranch Symposium 2021Masayuki Nakamura (Marine World Umi-no-Nakamichi), Akira Tanaka (Tokai University School of Marine Science and Technology), Grey Shark Breeding Council (Aqua World Oarai, etc.)
Reiwa 3/12Frequency of developmental eggs in eggs laid by parthenogenetic nurse hounds, Scyliorhinus stellaris.Oral presentationThe 30th Annual Meeting of the Society for DNA PolymorphismKotaro Tokunaga (Aqua World Oarai), Taku Yanagimoto (National Research and Development Agency, Fisheries Research and Education Agency)
Reiwa 3/12Breeding of sand tiger sharks in tanksOral presentationJapanese Elasmobranch SymposiumKotaro Tokunaga, Shinsuke Saito, Kazuhiro Shibagaki (Aqua World Ibaraki Prefecture Oarai Aquarium)
Reiwa 3/12The role of gonadotropins in ovarian follicle development in the catsharkPoster presentationJapan Elasmobranch Symposium 2021Shogo Arimura, Chika Fujimori (Atmospheric and Oceanic Research Institute, The University of Tokyo), Kotaro Tokunaga (Aqua World, Oarai), Wataru Takagi, Susumu Hyodo (Atmospheric and Oceanic Research Institute, The University of Tokyo)
Reiwa 3/11Variation in sex steroid hormone synthesis in ovarian follicles of the catsharkPoster presentationThe 45th Annual Meeting of the Japanese Society for Comparative EndocrinologyMai Kawano, Momoko Saito, Shogo Arimura, Hiroya Shimoyama (Atmosphere and Ocean Research Institute, The University of Tokyo), Kotaro Tokunaga (Aqua World Oarai), Wataru Takagi, Kuo-Cheng Huang, Susumu Hyodo (Atmosphere and Ocean Research Institute, The University of Tokyo)
Reiwa 3/11Expression and functional analysis of gonadotropin receptors during ovarian follicle development in the catsharkPoster presentationThe 45th Annual Meeting of the Japanese Society for Comparative EndocrinologyShogo Arimura, Momoko Saito, Hiroya Shimoyama, Chika Fujimori (Atmosphere and Ocean Research Institute, The University of Tokyo), Kotaro Tokunaga (Aqua World Oarai), Wataru Takagi, Susumu Hyodo (Atmosphere and Ocean Research Institute, The University of Tokyo)
Reiwa 3/11In catsharks, progesterone induces the formation of tendrils, which are part of the eggshell.Poster presentationThe 45th Annual Meeting of the Japanese Society for Comparative EndocrinologyHiroya Shimoyama, Takuto Inoue, Momoko Saito, Shogo Arimura, Makito Kobayashi (Atmosphere and Ocean Research Institute, The University of Tokyo), Kotaro Tokunaga (Aqua World Oarai), Wataru Takagi, Susumu Hyodo (Atmosphere and Ocean Research Institute, The University of Tokyo)
Reiwa 2/7Discovery of a new mode of oviparous reproduction in sharks and its evolutionary implicationsPostScientific Reports Kazuhiro Nakaya (Hokkaido University), William T. White (CSIRO) & Hsuan-Ching Ho (Institute of Marine Biology) *These comments are treated as personal communication and include the names of these individuals and our museum (page 5, seventh line from the bottom).
Reiwa 2/7Facilitated NaCl uptake in the highly-developed bundle of nephron in Japanese red stingray Hemitrygon akajei revealed by comparative anatomy and molecular mappingPost
(Best Paper Award Winner)
Zoological ScienceNaotaka Aburatani, Wataru Takagi, Marty Kwok-Sing Wong (Atmosphere and Ocean Research Institute, The University of Tokyo), Mitsutaka Kadota, Shigehiro Kuraku (RIKEN), Kotaro Tokunaga, Kazuya Kofuji (Aqua World Oarai), Kazuhiro Saito, Waichiro Godo, Tatsuya Sakamoto (Okayama University) and Susumu Hyodo (Atmosphere and Ocean Research Institute, The University of Tokyo)
Reiwa 2/7Morphological and functional development of the spiral intestine in cloudy catshark (Scyliorhinus torazame)PostJournal of Experimental BiologyYuki Honda, Wataru Takagi, Marty KS Wong, Nobuhiro Ogawa (Atmosphere and Ocean Research Institute, The University of Tokyo), Kotaro Tokunaga, Kazuya Kofuji (Aqua World Oarai), and Susumu Hyodo (Atmosphere and Ocean Research Institute, The University of Tokyo)
Reiwa 2/7Parthenogenesis in sharks confirmed at Aqua World Oarai Aquarium in Ibaraki PrefecturePostJournal of the Japanese Society of Fisheries Science, Vol. 86, No. 4Tokunaga Kotaro (Aqua World Oarai)
June of the first year of ReiwaSpawning cycle and sex steroid hormone fluctuations in catsharks using ultrasound imagingOral presentationThe 44th Annual Meeting of the Japanese Society for Comparative Endocrinology in SaitamaTakuto Inoue, Kiriko Ikeba (Atmosphere and Ocean Research Institute, The University of Tokyo), Kotaro Tokunaga, Kazuya Kodo (Aqua World Oarai), Wataru Takagi 1, Susumu Hyodo (Atmosphere and Ocean Research Institute, The University of Tokyo)
June of the first year of ReiwaControl mechanism of the spawning cycle of the catshark: ultrasound examination and measurement of blood steroid hormonesOral presentation4th Cartilaginous Fish Research MeetingTakuto Inoue, Momoko Saito, Kiriko Ikeba, Wataru Takagi (Atmosphere and Ocean Research Institute, The University of Tokyo), Kiyomi Murakumo, Keiichi Sato (Okinawa Churaumi Aquarium), Kotaro Tokunaga, Kazuya Kodo (Aqua World Oarai), Susumu Hyodo (Atmosphere and Ocean Research Institute, The University of Tokyo)
June of the first year of ReiwaExpression analysis of nutrient transporters in the yolk sac epithelium and digestive tract during catshark embryonic developmentOral presentationThe 90th Annual Meeting of the Zoological Society of Japan, OsakaYuki Honda, Wataru Takagi (Atmosphere and Ocean Research Institute, The University of Tokyo), Kotaro Tokunaga, Kazuya Kodo (Aquaworld Oarai), Kihiro Kuraku (RIKEN), Susumu Hyodo (Atmosphere and Ocean Research Institute, The University of Tokyo)
June of the first year of ReiwaFunctional and morphological development of the catshark spiral intestinePoster presentationThe 9th Tokyo Vertebrate Morphology MeetingYuki Honda1, Wataru Takagi, Nobuhiro Ogawa (Atmosphere and Ocean Research Institute, The University of Tokyo), Kotaro Tokunaga, Kazuya Kodo (Aqua World Oarai), Kihiro Kugaku (RIKEN), Susumu Hyodo
(Atmosphere and Ocean Research Institute, University of Tokyo)
Reiwa XNUMXBehavioral shaping of interspecies cooperative behaviorOral presentationJapan Cetacean Research CouncilShinya Takaishi and Kazuya Morishima (Aqua World, Oarai)
Reiwa XNUMXLarval development of the captive crab, Trimeresurus orbiculatusPoster presentationJapanese Crustacean SocietyHironori Tanaka and Takehiro Yoshino (Aqua World, Oarai)
Reiwa XNUMXReproduction and growth of the hermit crab, Pomacentridae, in captivityOral presentationJapan Association of Zoos and Aquariums National Aquarium Breeding Technician Study GroupHironori Tanaka, Tomoko Ihara, Yutaka Kitaguchi (Aqua World Oarai)
Reiwa 10October XNUMX, XNUMXParthenogenesis confirmed in the nurse hound and the thrush shark - Could parthenogenesis become a second reproductive mode in sharks?Oral presentation4th Cartilaginous Fish Research MeetingKotaro Tokunaga (Aqua World Oarai), Taku Yanagimoto (Central Fisheries Research Institute, Fisheries Agency)
Reiwa XNUMXChysaora melanasterEfficacy of substitute feed given toOral presentationJapanese Cnidaria and Ctenophore Research Discussion GroupShinsuke Saito, Tomoya Kuzaki, Tomoko Ihara (Aqua World, Oarai)
Heisei 30/12A photo identification catalogue of the Grey Shark Nurse Shark of the Ogasawara IslandsPoster presentationJapan Elasmobranch Symposium 2018○ Asuka Sugimoto (Marine World Umi-no-Nakamichi), Kanagawa Prefectural Museum of Natural History (Kanagawa Prefectural Museum of Natural History), Grey Shark Breeding Council (Aqua World Oarai, etc.)
Heisei 30/12About the activities of the Grey Shark Breeding CouncilOral presentationJapan Elasmobranch Symposium 2018Masayuki Nakamura (Marine World Umi-no-Nakamichi), Takahiro Nagasawa (Graduate School of Agriculture, Kyushu University), Grey Shark Breeding Council (Aqua World Oarai, etc.)
Heisei 30/12Parthenogenetic nurse hounds in captivity with no males presentOral presentationElasmobranch Research SocietyKotaro Tokunaga (Aqua World Oarai), Taku Yanagimoto (Central Fisheries Research Institute, Fisheries Agency)
Heisei 30/11Research into the spawning cycle of the catshark and its endocrine control: Use of ultrasound examinationOral presentationThe 43th Annual Meeting of the Japanese Society for Comparative EndocrinologyTakuto Inoue, Kiriko Ikeba (Atmosphere and Ocean Research Institute, The University of Tokyo), Kotaro Tokunaga, Kazuya Kodo (Aqua World Oarai), Kiyomi Murakumo, Keiichi Sato (Okinawa Churaumi Aquarium), Wataru Takagi, Susumu Hyodo (1Atmosphere and Ocean Research Institute, The University of Tokyo)
Heisei 30/11Activity of Reproductive Management Committee for Sand Tiger SharksOral presentation10th World Aquarium CongressMasayuki Nakamura1, Keisuke Kondo (Marine World Umi-no-Nakamichi), Takahiro Nagasawa (Kyushu University) and Reproductive Management Committee for Sand Tiger Sharks (Aqua World Oarai, etc.)
Heisei 30Efficacy of substitute food given to the jellyfish, Acanthurus nichirinensisOral presentationJapan Aquaculture Association Animal Husbandry Technician Research GroupShinsuke Saito, Tomoya Kuzaki, and Tomoko Ihara (Aqua World, Oarai)
Heisei 29/4Observation of the behavior of the giant groove-bellied coral, Acanthoptera fasciata, in an aquariumOral presentationThe Malacological Society of JapanKotaro Tokunaga and Kazuya Kodo (Aqua World Oarai), Hiromi Ikezawa (Ibaraki Prefectural Museum of Natural History), Hiroshi Saito (National Museum of Nature and Science)
Heisei 29/11Predation behavior of the coral lemur in an aquariumOral presentationJapan Aquarium Association Kanto Tohoku Hokkaido Block Aquarium Technician Research GroupTomoya Hisazaki, Kazuhiro Shibagaki, Shinsuke Saito, Kotaro Tokunaga, Yuka Matsumoto, Mai Adachi, Motoki Kano, Tomoko Ihara, Satoru Miyashita, Kazuya Kodo (Aqua World, Oarai), Hiromi Ikezawa (Ibaraki Museum of Natural History), Hiroshi Saito (National Museum of Nature and Science)
Heisei 29Cultivating Acropora corals using peptide hormonesOral presentationJapan Aquarium Association Kanto Tohoku Hokkaido Block Aquarium Technician Research GroupYojiro Shiba (Aqua World Oarai), Masayuki Hattori (Ochanomizu University)
Heisei 29Efforts to cultivate reef-building corals through sexual reproductionOral presentationJapan Aquarium Association Kanto Tohoku Hokkaido Block Aquarium Technician Research GroupYojiro Shiba (Aqua World Oarai), Masayuki Hattori (Ochanomizu University)
Heisei 28Mating behavior and expelled fetuses of the sand tiger shark in an aquariumOral presentationNational Animal Husbandry Technician Research AssociationKazuhiro Shibagaki (Aqua World Oarai)
Heisei 28The sea turtle situation in Ibaraki PrefectureOral presentationKanto Tohoku Block Animal Husbandry Technician Research AssociationKotaro Tokunaga and Kazuya Koto (Aqua World, Oarai)
Heisei 28DNA analysis to estimate paternity of 12 fetuses removed from the abdomen of a female spinner sharkPoster presentationDNA Polymorphism SocietyKazuya Koto and Kazuhiro Shibagaki (Aqua World, Oarai), Taku Yanagimoto and Chengnien Chang (National Research Institute of Fisheries Science, Fisheries Agency), Toshiro Saruwatari (Atmosphere and Ocean Research Institute, University of Tokyo), Akira Tanaka (Oceanography, Tokai University)
Heisei 27Spawning behavior of egg-laying sharks in an aquariumOral presentationSymposium "Aquariums and Animal Behavior"Kazuhiro Shibagaki (Aqua World Oarai)
Heisei 26Urea-mediated osmoregulation during early development of the oviparous elasmobranch elephant shark: role of extraembryonic tissues and yolk sac epithelium during early developmentJoint paperJournal of Experimental Biology
Heisei 25About the reproduction of striped jackal sharksOral presentationJapan Association of Zoos and Aquariums 58th Aquarium Technician Study Group
Heisei 25Survey of sea slugs in Oarai Marina PortOral presentationJapan Association of Zoos and Aquariums 2013 Kanto-Tohoku Block Aquarium Technician Study Group
Heisei 25Gill morphology and drainage function in thalamocean sharksPostZOOLOGICAL SCIENCE 30 (2013)
Heisei 25Fluid regulation during shark developmentOral presentationThe 38th Annual Meeting of the Japanese Society for Comparative Endocrinology
Heisei 23/10Larval development of two Atergatis species (Decapoda, Xanthidae) described from laboratory-reared materialAward-winning paperJapanese Crustacean SocietyHironori Tanaka (Aqua World/Oarai), Toshiro Saruwatari (Atmosphere and Ocean Research Institute, University of Tokyo), Takashi Minami (Fukuyama University)
Heisei 23/2Raising and growing larvae of the Himekebuka crabOral presentationNational Breeding Technician Study Group (Place: Aquatoto Gifu)Hironori Tanaka (Aqua World Oarai)
Heisei 23/1Nature class "Introduction to Aquarium" -Practice from collection to display and its effect-Oral presentationJapan Zoo Aquarium Education Research Group (Place: Itozu Forest Park)Hironori Tanaka, Yoshihiro Suzuki, Naoyuki Okamura, Akira Kitami (Aqua World, Oarai)
Heisei 22/12Larval development of two Atergatis species (Decapoda, Xanthidae) described from laboratory-reared materialPostJournal of Crustacean Society of Japan (Crustacean Research, No. 39)Hironori Tanaka (Aquaworld, Oarai), Toshiro Saruwatari (Atmosphere and Ocean Research Institute, The University of Tokyo), Takashi Minami (Tohoku University)
Heisei 22/11Giant cowry shells washed up on the coast of Ibaraki PrefectureOral presentationBlock Breeding Technician Research Group (Venue: Asamushi Aquarium, Aomori Prefecture)Toshihiko Mochizuki (Aqua World, Oarai)
Heisei 22/11Breeding of reef-building corals using a simple wave generatorOral presentationBlock Breeding Technician Research Group (Venue: Asamushi Aquarium, Aomori Prefecture)Yojiro Shiba (Aqua World, Oarai)
Heisei 22/4Bali Cat Shark Breeding Award Japan Zoo Aquarium AssociationKazuhiro Shibagaki (Aqua World Oarai)
Heisei 22/4Puff Addershai Shark Breeding Award Japan Zoo Aquarium AssociationKazuhiro Shibagaki (Aqua World Oarai)
Heisei 22/3 Marine invertebrates in the Kashimanada coastal headland and the central coastal area of ​​Ibaraki PrefecturePostIbaraki Nature Museum Comprehensive Survey Report (2006-2008)Hisao Inoue (former Ibaraki Prefectural Mito Minami High School), Mitsuru Kamogawa (Ibaraki Prefectural Mito Daisan High School), Osamu Takashio (Ibaraki Christian School High School), Haruhiko Higano (Ibaraki Prefectural Kashima High School), Hiroshi Namikawa (National Museum of Nature and Science), Hironori Tanaka and Shinsuke Saito (Aqua World, Oarai), Hiromi Ikezawa (Ibaraki Museum of Natural History), Hiroshi Morino (Faculty of Science, Ibaraki University)
Heisei 21/12 Redescription of the first zoea of ​​Zosimus aeneus (Linnaeus, 1758) (Decapoda, Xanthidae)PostJournal of Crustacean Society of Japan (Crustacean Research, No. 38)Hironori Tanaka (Aquaworld, Oarai), Toshiro Saruwatari (Atmosphere and Ocean Research Institute, The University of Tokyo), Takashi Minami (Tohoku University)
Heisei 21/12Atergatis floridus (Linnaeus, 1767) (Decapoda: Xanthidae): re-examination and correction of zoeal charactersPostJournal of Crustacean Society of Japan (Crustacean Research, No. 38)Hironori Tanaka (Aqua World, Oarai) and Koichi Konishi (Central Fisheries Research Institute)
Heisei 21/11Bali Cat Shark eggs and larvaeOral presentationBlock Breeding Technician Study Group (Location: Aqua World Oarai)Kazuhiro Shibagaki (Aqua World Oarai)
Heisei 21/11Jellyfish research along the coast of IbarakiOral presentationBlock Breeding Technician Study Group (Location: Aqua World Oarai)Shinsuke Saito and Yojiro Shiba (Aqua World, Oarai)
Heisei 21/11Comparison of Ontogeny of Mandurian CrabsOral presentationOpen-use symposium Research on heterochronism in aquatic organisms.Understanding the current situation and future prospects (Place: Ocean Research Institute, University of Tokyo)Hironori Tanaka (Aqua World Oarai)
Heisei 21/9Ovipositional behavior of two xanthid crabs, Atergatis integerrimus(Lamarck, 1818) and A. subdentatus De Haan, 1833(Decapoda, Bracyura, Xanthidae)in captivityPoster presentationInternational Crustacean Society (Place: Tokyo University of Marine Science and Technology)Hironori Tanaka (Aqua World, Oarai) and Toshiro Saruwatari (Atmosphere and Ocean Research Institute, The University of Tokyo)
Heisei 21/9Larval development of Atergatis integerrimus(Lamarck, 1818)(Decapoda, Bracyura, Xanthidae) described from laboratory-reared materialPoster presentationInternational Crustacean Society (Location: Tokyo Oceanography)Hironori Tanaka (Aquaworld, Oarai), Toshiro Saruwatari (Atmosphere and Ocean Research Institute, The University of Tokyo), Takashi Minami (Tohoku University)
Heisei 20/12Spawning and hatching of oviparous sharks reared at Oarai AquariumOral presentationThe Ocean Research Institute, The University of Tokyo Joint Research Meeting (Venue: The Ocean Research Institute, The University of Tokyo)Yojiro Shiba and Kazuhiro Shibagaki (Aqua World, Oarai)
Heisei 20/11Growth of the giant crab Atergatis reticulatus De Haan, 1835 in captivityOral presentationCrustacean Society of Japan (Place: Fisheries Department, Kagoshima University)Hironori Tanaka (Aqua World Oarai), Toshiro Saruwatari (Ocean Research Institute, University of Tokyo)
Heisei 20/10On the larval morphology of Zoea 1Oral presentationJuvenile Fish Research Group (Place: Faculty of Agriculture, Tohoku University)Hironori Tanaka (Aqua World Oarai)
Heisei 20/10About sharks confirmed off the coast of Ibaraki PrefectureOral presentationBlock Breeding Technician Study Group (Place: Tsuruoka City Kamo Aquarium)Toshihiko Mochizuki and Kazuhiro Shibagaki (Aqua World, Oarai)
Heisei 20/10About fish fauna survey in Aise fixed net, Hitachi City, Ibaraki PrefectureOral presentationBlock Breeding Technician Study Group (Place: Tsuruoka City Kamo Aquarium)Kotaro Tokunaga and Hironori Tanaka (Aqua World, Oarai)
Heisei 20/8This is the first record in the coastal area of ​​Ibaraki Prefecture.
Six Species of Hydrojellyfish (Cnidaria, Hydrozoa)
PostIbaraki Nature Museum research reportShinsuke Saito and Yojiro Shiba (Aqua World, Oarai)
Heisei 19/11Morphological changes in hatched larvae of Numaticib under different salinity conditionsOral presentationBlock Breeding Technician Study Group (Place: Akita Oga Aquarium)Kotaro Tokunaga, Kiyoko Sakae, and Taku Inoue (Aqua World, Oarai)
Heisei 19/11About sharks entering the Aise fixed net in Hitachi City, Ibaraki PrefectureOral presentationBlock Breeding Technician Study Group (Place: Akita Oga Aquarium)Toshihiko Mochizuki, Kazuhiro Shibagaki (Aqua World, Oarai), Osamu Mikami (Aise Fisheries Cooperative Association)
Heisei 19/9Concerning the netting situation of Sunfish in Aise fixed net in Hitachi City, Ibaraki PrefectureOral presentationNational Breeding Technician Study Group (Place: Otaru Aquarium)Toshihiko Mochizuki (Aqua World Oarai), Osamu Mikami (Aise Fisheries Cooperative Association)
Heisei 19/9On the rearing and larval stage of Helicopter crabOral presentationNational Breeding Technician Study Group (Place: Otaru Aquarium)Hironori Tanaka (Aqua World Oarai)
Heisei 18/10On the Larval Development of Three Species of the Genus MantuganiOral presentationFry Research Group (Place: Faculty of Oceanography, Tokai University)Hironori Tanaka (Aqua World Oarai)
Heisei 18/10Collection and Breeding of Dahlia Sea Anemones (a species of the genus Liponema)Oral presentationBlock Breeding Technician Study Group (Place: Niigata Aquarium)Shinsuke Saito, Kazuhiro Shibagaki, Yojiro Shiba, Kazuo Nishida (Aqua World, Oarai)
Heisei 18/10Development of the commentary program "Naruto Uocchingu" -Learning about life and the natural environment through observation of the ecology of living things-Oral presentationJapan Zoo Aquarium Education Research Group (Place: Kochi Prefectural Noichi Zoological Park)Yuichi Wakamatsu, Kazuhiro Shibagaki, Hironori Tanaka (Aqua World, Oarai)
Heisei 18/10Hybrid hawksbill turtles caught off the coast of Ibaraki PrefectureOral presentationBlock Breeding Technician Study Group (Place: Niigata Aquarium)Toshihiko Mochizuki and Kazuya Koto (Aqua World, Oarai)
Heisei 17/12Developmental history of the genus Mandu CrabOral presentationJoint Research Meeting (Venue: Ocean Research Institute, University of Tokyo)Hironori Tanaka (Aqua World Oarai)
Heisei 16/12Changes in stomach contents of parent birds related to feeding to Humboldt penguin chicksOral presentationMarine Mammal Technician Research Group (Place: Aqua World Oarai)Takeshi Goto, Tomoko Minagawa, Takashi Kikuchi, Tsunehiro Suzuki, Shinya Takaishi, Junko Nemoto (Aqua World, Oarai), Ayumi Hirajo, Yoshiyuki Ohta (Nihon Veterinary and Animal Science University)
Heisei 16/12Foreign body removal in Humboldt penguins by gastrectomyOral presentationMarine Mammal Technician Research Group (Place: Aqua World Oarai)Tomoko Minagawa, Takeshi Goto, Shinya Takaishi (Aqua World, Oarai), Haruki Furuhashi (Tokai Animal Hospital)
Heisei 16/11Two species of zoea larvae ZosiminaePoster presentationCrustacean Society of Japan (Location: Tokyo University of Marine Science and Technology)Hironori Tanaka, Yojiro Shiba (Aqua World, Oarai), Toshiro Saruwatari (Ocean Research Institute, University of Tokyo)
Heisei 16/7Two species of fiddler crabs that appeared in the Izu Peninsula and Aono RiverPostJournal of the Japan Society of Benthology (Vol.59)Hironori Tanaka and Kazuhiro Shibagaki (Aqua World, Oarai), Hiromi Ikezawa (Ibaraki Natural History Museum), Yoshio Kanazawa (Tokai University, Marine Science and Technology), Keiji Wada (Nara Women's University, Science)
Heisei 15/11Larva of the red man crab Atergatis subdentatus (De Haan, 1833)Poster presentationCrustacean Society of Japan (Place: University of the Ryukyus)Hironori Tanaka, Yojiro Shiba (Aqua World, Oarai), Toshiro Saruwatari (Ocean Research Institute, University of Tokyo)
Heisei 15/11Breeding and progress of sawsharkOral presentationJapan Association of Zoos and Aquariums Kanto-Tohoku Block Breeding Technician Study Group (Place: Matsushima Aquarium)Yojiro Shiba (Aqua World, Oarai)
Heisei 15/11Understanding the Current Status of Captive SharksOral presentationJapan Association of Zoos and Aquariums Aquarium Technician Study Group (Place: Matsushima Aquarium)Yoshiyuki Numata, Yoshiaki Kurosawa, Kazuhiro Shibagaki, Takuji Kanataka (Aqua World, Oarai)
Heisei 14/11Two species of fiddler crabs that appeared in the Izu Peninsula and Aono RiverPoster presentationCrustacean Society of Japan (Place: Kumamoto University)Hironori Tanaka and Kazuhiro Shibagaki (Aqua World, Oarai), Hiromi Ikezawa (Ibaraki Natural History Museum), Yoshio Kanazawa (Tokai University, Marine Science and Technology), Keiji Wada (Nara Women's University, Science)
Heisei 13/12Larval development of the poisonous crab Atergatis floridus (Linnaeus, 1767) (Crustacea, Decapoda, Xanthidae) described from laboratory-reard materialPostCrustacean Research, Japan (No. 30)Hironori Tanaka (Oarai Aquarium), Koichi Konishi (Aquaculture Research Institute, Fisheries Agency)
Heisei 12/4Downstream ecology of juvenile sweetfish in the outflow river of Lake HinumaPoster presentation12 Spring Meeting of the Japanese Society of Fisheries Science (Venue: Tokyo University of Fisheries)Toshiro Saruwatari (Institute of Oceanography, The University of Tokyo), Hironori Tanaka, Takuji Kanedaka, Kazuya Kofuji (Oarai Aquarium)
Heisei 11/9About the breeding of MokuzushoiOral presentationJapan Association of Zoos and Aquariums Kanto-Tohoku Block Breeding Technician Study Group (Place: Shinagawa Aquarium)Kazuhiro Shibagaki (Oarai Aquarium)
Heisei 11/9About the upbringing of the hermit crabOral presentationJapan Association of Zoos and Aquariums Kanto-Tohoku Block Breeding Technician Study Group (Place: Asamushi Aquarium)Sachiko Kurosawa, Hironori Tanaka (Oarai Aquarium)
Heisei 11/3Fish Fauna of Sugo-numaPostIbaraki Nature Museum Research Report (No. 2)Kazuya Kofuji, Noriko Kuroda (Oarai Aquarium), Masataka Funahashi (Ibaraki Nature Expo)
Heisei 11/3Zoea larvae of the giant giant crabPostIbaraki Nature Museum Research Report (No. 2)Hironori Tanaka (Oarai Aquarium)
Heisei 11/3Spawning of kiankou in aquariumsOral presentationJapan Association of Zoos and Aquariums Aquarium Technician Study Group (Location: Uminonakamichi)Kazuya Kofuji (Oarai Aquarium)
Heisei 10/12Swimming speed of porpoises in captivityOral presentationJapan Association of Zoos and Aquariums Zoo Aquarium Marine Mammal Breeding Technician Study Group (Location: Okinawa Ocean Expo)Yukinori Yoshida, Shinsuke Saito, Yojiro Shiba (Oarai Aquarium)
Heisei 10/10Larvae of smooth manger crabOral presentationJapan Association of Zoos and Aquariums Kanto-Tohoku Block Breeding Technician Study Group (Place: Asamushi Aquarium)Hironori Tanaka (Oarai Aquarium)
Heisei 9/10Early Life History of the Giant CrabOral presentationJapan Association of Zoos and Aquariums Kanto-Tohoku Block Breeding Technician Study Group (Place: Sunshine)Hironori Tanaka (Oarai Aquarium)
Heisei 8Bamboo Shark Breeding Award Japan Zoo Aquarium Association 
Heisei 8/12Breeding of bamboo sharks in aquariumOral presentationJapan Association of Zoos and Aquariums Aquarium Technician Study Group (Place: Tokai University)Toshihiko Mochizuki, Kazuya Kofuji (Oarai Aquarium)
Heisei 8/11Spawning and hatching of shiroboshi tenjiku in the aquariumOral presentationJapan Association of Zoos and Aquariums Kanto-Tohoku Block Breeding Technician Study Group (Place: Matsushima Aquarium)Toshihiko Mochizuki (Oarai Aquarium)
Heisei 8/1Spawning and hatching of common kasbe in aquariaOral presentationJapan Association of Zoos and Aquariums Aquarium Technician Study Group (Place: Miyazu Aquarium)Toshihiko Mochizuki (Oarai Aquarium)
Heisei 6A new fish species whose distribution was confirmed in coastal waters of Ibaraki PrefecturePostIbaraki Water Research Report (No.1994, 32)Toshihiko Mochizuki (Oarai Aquarium) Akira Nihira, Yasuo Yamaguchi (Ibaraki Prefectural Fisheries Experimental Station), Yasuhiro Tamura (Oarai Aquarium), Toru Okawa
Heisei 6Sea mammals found in Kashima NadaPostJapan Association of Zoos and Aquariums Journal of Zoos and Aquariums (1994 No.1)Yukinori Yoshida (Oarai Aquarium)
Heisei 5Common Kasube Breeding Award Japan Zoo Aquarium Association 
Heisei 5/12Sea mammals found in Kashima NadaOral presentationJapan Association of Zoos and Aquariums Zoo and Aquarium Marine Mammal Breeding Technician Study Group (Place: Shimoda Aquarium)Yukinori Yoshida (Oarai Aquarium)
Heisei 5/11Spawning and hatching of common kasbeOral presentationJapan Association of Zoos and Aquariums Kanto-Tohoku Block Breeding Technician Study Group (Place: Aburatsubo Aquarium)Toshihiko Mochizuki (Oarai Aquarium)
Heisei 3/1Application of automatic hemocytometer for animals to dolphinsOral presentationJapan Association of Zoos and Aquariums Zoo and Aquarium Marine Mammal Breeding Technician Study Group (Place: Sunshine)Harumi Furuhashi (Oarai Aquarium)
Heisei 2/11Breeding fish collected from the coast of Ibaraki PrefectureOral presentationJapan Association of Zoos and Aquariums Kanto-Tohoku Block Breeding Technician Study Group (Place: Kamo Aquarium)Toshihiko Mochizuki (Oarai Aquarium)
Heisei 2/2Artificial rearing of Humboldt penguins at Oarai AquariumOral presentationJapan Association of Zoos and Aquariums Aquarium Technician Research Group, Marine Mammal Subcommittee (Location: Kamogawa Sea World)Yukinori Yoshida, Takeshi Goto (Oarai Aquarium)
October 63Breeding in a tankOral presentationJapan Association of Zoos and Aquariums Kanto-Tohoku Block Breeding Technician Study Group (Location: Oarai Aquarium)Toshihiko Mochizuki (Oarai Aquarium)
October 63Status of mobile aquariums held at Oarai AquariumOral presentationJapan Association of Zoos and Aquariums Kanto-Tohoku Block Breeding Technician Study Group (Location: Oarai Aquarium)Yoshiyuki Numata (Oarai Aquarium)
October 63Fluoroscopy of dolphins by X-ray television equipmentOral presentationJapan Association of Zoos and Aquariums Aquarium Technician Study Group Marine Mammal SubcommitteeHarumi Furuhashi (Oarai Aquarium)
October 61Disease trends of dolphins in Oarai AquariumOral presentationJapan Association of Zoos and Aquariums Aquarium Technician Study Group, Marine Mammal Subcommittee (Venue: Yomiuriland)Harumi Furuhashi (Oarai Aquarium)
October 60Interview survey example of cetaceans seen in Kashima NadaOral presentationJapan Association of Zoos and Aquariums Aquarium Technician Research Group Marine Mammal Subcommittee (Place: Hiyoriyama Yuen)Yukinori Yoshida, Toru Watanabe, Nobuhiro Inaba (Oarai Aquarium)
October 60Clinical trial of mandibular fracture in white-sided dolphinOral presentationJapan Association of Zoos and Aquariums Aquarium Technician Study Group Marine Mammal Subcommittee (Place: Oarai Aquarium)Yukinori Yoshida, Harumi Furuhashi (Oarai Aquarium)
Showa 58Trial of progesterone use for threatened premature birth immediately after deliveryOral presentationJapan Association of Zoos and Aquariums Aquarium Technician Research Group Marine Mammal Subcommittee (Place: Okinawa Ocean Expo)Yukinori Yoshida (Oarai Aquarium)
Showa 57Cetaceans caught near Oarai from the newly established Oarai AquariumOral presentationJapan Association of Zoos and Aquariums Aquarium Technician Study Group Marine Mammal Subcommittee (Location: Nanki Shirahama)Yukinori Yoshida (Oarai Aquarium)
Showa 54Breeding of Slipperfish in AquariumPostJapan Association of Zoos and Aquariums Journal of Zoos and Aquariums (1979 No.2)Masami Iioka, Yoshio Gunji (Oarai Aquarium)
October 53Breeding of Slipperfish in AquariumOral presentationJapan Association of Zoos and Aquariums Kanto-Tohoku Block Breeding Technician Study Group, Oarai AquariumMasami Ioka (Oarai Aquarium)
October 53About tiger shark breedingOral presentationJapan Association of Zoos and Aquariums Kanto-Tohoku Block Breeding Technician Study Group (Location: Oarai Aquarium)Masayuki Shimada (Oarai Aquarium)
Showa 53A report on the luminescent fish Hikari KinmedaiPostMonthly Marine Science (No1979, 8)Shigeki Fukasawa (Josai University), Yasuhiro Tamura, Eiichi Shoji (Oarai Aquarium)
Showa 53Slippery fish breeding award Japan Zoo Aquarium Association 
Showa 51About Humboldt penguin trainingPostJapan Association of Zoos and Aquariums Journal of Zoos and Aquariums (1976 No.1)Nobuhiro Inaba, Hiroshi Okusawa (Oarai Aquarium)