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Okinawa Churashima RESEARCH CENTER

Research on marine organisms

Research staff profile

Keiichi Sato

Keiichi Sato

Area of expertise Biology of chondrichthyan fishes (sharks and rays)
Research content Ecology, physiology and reproductive biology of chondrichthyan fishes
Systematis of chondrichthyan fishes (sharks and rays) based on comparative anatomy

Background

  • 1996 - Fisheries Science (M.Sc.) at Hokkaido University, Japan
  • 2000 - Ph.D. at Hokkaido University, Japan
  • 2000 - Okinawa Expo Aquarium
  • 2001 - Ocean Exposition Commemorative Park Management Foundation (Okinawa Churaumi Aquarium)
  • 2013 - Current post at the Okinawa Churashima Foundation Research Center

Research papers, publications

  • Sato K, Nakaya K and Stewart A. 1999. A new species of the deep-water catshark genus Apristurus from New Zealand waters (Chondrichthes: Scyliorhinidae). Journal of the Royal Society of New Zealand, 29(4): 325-335.
  • Nakaya K and Sato K. 1998. Taxonomic review of Apristurus laurussonii (Seamundsson, 1922) from the eastern North Atlantic (Elasmobranchii: Scyliorhinidae). 1998. Cybium, 22(2): 149-157.
  • Nakaya K and Sato K. Taxonomic review of Apristurus platyrhynchus and related species from the Pacific Ocean (Chondrichthyes, Carcharhiniformes, Scyliorhinidae). 2000. Ichthyological Research. 47(3): 223-230.
  • Nakaya K and Sato K. 1999. Species grouping within the genus Apristurus (Elasmobranchii: Scyliorhinidae). Proceeding of the 5th Indo-Pacific Fish Conference, Noumea, 1997, Seret B. and J.Y. Sire, eds.
  • Komai T, Kaneko A and Sato K. 2003. New Record of the Spear Lobster Linuparus sordidus Bruce (Crustacea: Decapoda: Palinuridae) from Japanese Waters. Bio. Mag. Okinawa, 43. 15-20.
  • Shinohara G, Sato T, Aonuma Y, Horikawa H, Matsuura K, Nakabo T and Sato K. 2005. Annotated checklist of deep-sea fishes from the waters around Ryukyu Islands, Japan. Deep-sea fauna and pollutants in the Nansei Islands, Japan, K.Hasegawa, G.Shinohara and M.Takeda eds. 385-452.
  • Sato, K., Nakaya, K. & Yorozu, M. 2008. Apristurus australis sp. nov., a new long-snout catshark (Chondrichthyes: Carcharhiniformes: Scyliorhinidae) from Australia, pp. 113–121. In: P.R. Last, W.T. White & J.J. Pogonoski (eds). Descriptions of New Australian Chondrichthyans. CSIRO Marine & Atmospheric Research Paper 022, 358 pp.
  • Nakaya, K., Sato, K., Iglésias, S.P. & White, W.T. 2008. Methodology for the taxonomic description of members of the genus Apristurus (Chondrichthyes: Carcharhiniformes:Scyliorhinidae), pp. 49–60. In: P.R.Last, W.T. White & J.J. Pogonoski (eds). Descriptions of New Australian Chondrichthyans. CSIRO Marine & Atmospheric Research Paper 022, 358pp.
  • Sasahara, R., Sato, K. & Nakaya, K. 2008. A new species of deepwater catshark, Apristurus ampliceps sp. nov.(Chondrichthyes: Carcharhiniformes: Scyliorhinidae), from New Zealand and Australia, pp. 93–104. In: P.R. Last, W.T. White & J.J. Pogonoski (eds). Descriptions of New Australian Chondrichthyans. CSIRO Marine & Atmospheric Research Paper 022, 358pp.
  • Nakaya, K., Sato, K. & Iglésias, S.P. 2008. Occurrence of Apristurus melanoasper from the South Pacific, Indian and South Atlantic Oceans (Carcharhiniformes: Scyliorhinidae), pp. 61–74. In: P.R. Last, W.T. White & J.J. Pogonoski (eds). Descriptions of New Australian Chondrichthyans. CSIRO Marine & Atmospheric Research Paper 022, 358 pp.
  • Kawauchi, J., Sasahara, R., Sato, K. & Nakaya, K. (2008) Occurrence of the deep-water catsharks Apristurus platyrhynchus and A. pinguis in the Indian and Western South Pacific Oceans (Carcharhiniformes: Scyliorhinidae), pp. 75–91. In: P.R. Last, W.T. White & J.J.Pogonoski (eds). Descriptions of New Australian Chondrichthyans. CSIRO Marine & Atmospheric Research Paper 022, 358 pp.
  • Claes J M, Sato K, Mallefet J. 2011. Morphology and control of photogenic structures in a rare dwarf pelagic lantern shark (Etmopterus splendidus). Journal of Experimental Marine Biology and Ecology 406: 1–5.
  • Sato k, Kaneko A & Toda M. 2010. Using the SGPT Chamber for Field sampling and long-term captivity of deep demersal fishes from tropical waters. Proceedings of an International Symposium Into the Unknown, Researching Mysterious Deep-sea Animals 2007, Okinawa, Japan.
  • Tomita, T., K. Sato, K. Suda, J. Kawauchi and K. Nakaya. 2011. The feeding strategy of the megamouth shark (Pisces: Lamniformes: Megachasmidae) predicted by its hyoid arch: A biomechanical approach. Journal of Morphology, 272: 513-524.
  • Sato, K., A. Stewart and K. Nakaya. 2013. Apristurus garricki sp. nov., a new deep-water catshark from the northern New Zealand waters (Carcharhiniformes: Scyliorhinidae). Marine Biology Research, Marine Biology Research, Vol. 9(8), 758-767.
  • Tomita T, Toda M, Yamamoto Y, Sato K, Uchida S, Nakaya K. 2012. A novel pharyngeal expansion mechanism in the yellow-spotted fanray, Platyrhina tangi (Elasmobranchii: Batoidea), with special reference to the function of the fifth ceratobranchial cartilage in batoids. Zoomorphology, DOI 10.1007/s00435-012-0185-9.
  • Tomita T, Nakamura M, Sato K, Takaoka H, Toda M, Kawauchi J, and Nakaya K. (2014) Onset of buccal pumping in catshark embryos: How breathing develops in the egg capsule. PlosOne.
  • Sato K. (ed) 2013. Proceeding of the International Symposium, Reproduction of Marine Life, Birth New Life! Investigating the Mysteries of Reproduction, February 21, Okinawa Churaumi Aquarium 2009.
  • Miya M., Y. Sat, T. Fukunaga, T. Sado, J.Y. Poulsen, K. Sato, T. Minamoto, S. Yamamoto, H. Yamanaka, H. Araki, M. Kondoh, W. Iwasaki. 2015. MiFish, a set of universal PCR primers for metabarcoding environmental DNA from fishes: Detection of >230 subtropical marine species. Royal Society Open Science, DOI: 10.1098/rsos.150088.
  • Nozu R, Murakumo K, Matsumoto R, Nakamura M, Ueda K, Sato K. 2015. Gonadal morphology, histology, and endocrinological characteristics of immature female whale sharks, Rhincodon typus. Zoological Science, 32(5): 455-458.
  • Castro JI, Sato K, Bodine AB. 2015. A novel mode of embryonic nutrition in the tiger shark, Galeocerdo cuvier. Marine Biology Research, 2016, DOI: http://dx.doi.org/10.1080/17451000.2015.1099677.
  • Tomita T, Murakumo K, Miyamoto K, Sato K, Oka S, Kamisako H, Toda M. 2015. Eye retraction in the giant guitarfish, Rhynchobatus djiddensis (Elasmobranchii: Batoidea): a novel mechanism for eye protection in batoid fishes. Zoology, doi:10.1016/j.zool.2015.09.004
  • Sato, K. 2015. Family Scyliorhinidae. (co-authored with K. Nakaya, J. Kawauchi) In: The Fishes of New Zealand. CD Roberts, AL Stewart, CD Struthers (eds). TePapa Press, New Zealand. 2000 pages. ISBN: 9780994104168
  • Nakaya K, Sato K. 1999. Systematics of the genus Apristurus, Kaiyo Monthly, 16: 54-62. (in Japanese)
  • Taniuchi T, Ohta K, Kojima T, Sato K, Toda M, Uchida S.2004. Swimming Speed of whale sharks at the Churaumi Aquarium, Report of Japanese Society for Elasmobranch Studies,40: 13-18. (in Japanese with English abstract)
  • Keiichi Sato.2008.Systematics of the family Scyliorhinidae - Current status and issues, Research on Chondrichthyes –Past, Present, Future, Kaiyo Monthly, 45: 12-22. (in Japanese). (in Japanese)
  • Sato K, Uchida S, Nishida K, Toda M, Obata H, Matsumoto Y, Kitadani Y, Miura H.2010.Records of manta rays (Myliobatidae) from southern Japanese waters and their taxonomy, field identifications and suggested Japanese Names. Report of Japanese Society for Elasmobranch Studies,46: 11-19. (in Japanese with English abstract)
  • Diversity of reproductive modes in sharks and rays, Comparative Endocrinology, 40(152). (in Japanese)
  • Miya, M. Y. Sato, T. Fukunaga, T. Sado, J. Y. Poulsen, K. Sato, T. Minamoto, S. Yamamoto, H. Yamanaka, H. Araki, M. Kondoh, W. Iwasaki. MiFish, a set of universal PCR primers for metabarcoding environmental DNA from fishes: detection of more than 230 subtropical marine species. Royal Society Open Science. DOI: 10.1098/rsos.150088
  • Keiichi Sato, Masaru Nakamura, Taketeru Tomita, Minoru Toda, Kei Miyamoto, Ryo Nozu. 2016. How great white sharks nourish their embryos to a large size: evidence of lipid histotrophy in lamnoid shark reproduction. Biology Open 2016 5: 1211-1215; doi: 10.1242/bio.017939
  • Nakaya K, Tomita T, Suda K, Sato K, Ogimoto K, Chappell A, Sato T, Takano K, Yuki Y. 2016. Slingshot feeding of the goblin shark Mitsukurina owstoni (Pisces: Lamniformes: Mitsukurinidae). Scientific Reports 6, Article number: 27786 (2016), doi:10.1038/srep27786
  • Miya M, Minamoto T, Yamanaka H, Oka S, Sato K, Yamamoto S, Sado T, Doi H. 2016. Use of a filter cartridge for filtration of water samples and extraction of environmental DNA. Journal of Visualized Experiments, e54741. doi:10.3791/54741.
  • Nishiguchi, Y., Tomita, T., Sato, K., Yanagisawa, M., Murakumo, K., Kamisako, H., Kaneko, A., Hiruta, N., and Terai, K., Takahara, A., Okada, M. 2016. Examination of the hearts and blood vascular system of Eptatretus okinoseanus using computed tomography images, diagnostic sonography, and histology. International journal of analytical bio-science. 4: 46-54.
  • Tomita, T. Miyamoto, K., Kawaguchi, A., Toda, M., Oka, S., Nozu, R., Sato, K. 2016. Dental ontogeny of a white shark embryo. Journal of Morphology. doi: 10.1002/jmor.20630.
  • Tomita, T., Nozu, R., Nakamura, M., Matsuzaki, S., Miyamoto, K., Sato, K. 2017. Live-bearing without placenta: Physical estimation indicates the high oxygen-supplying ability of white shark uterus to the embryo. Scientific Reports. 7:11744.
    https://www.nature.com/articles/s41598-017-11973-9

Affiliated academic society

  • The Zoological Society of Japan
  • The Ichthyological Society of Japan
  • Japanese Society for Elasmobranch Studies
  • American Elasmobranch Society

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