Smartphone site is here
Okinawa Churashima RESEARCH CENTER

Research on marine organisms

Research staff profile

Kei Miyamoto

Kei Miyamoto

(Research Scientist)

Area of expertise Ichthyology
Zoological collection management
Research content Taxonomy of fishes
Research on fish fauna


  • 2007 - Bachelor of Faculty of Agriculture, University of Miyazaki, Japan
  • 2009 - Master of Faculty of Agriculture, University of Miyazaki, Japan
  • 2011- Ocean Exposition Commemorative Park Management Foundation
  • 2013: Current post at the Okinawa Churashima Foundation Research Center

Essays, Reports

  • Iwatsuki Y, Miyamoto K, Nakaya K. 2011. A review of the genus Platyrhina (Chondrichthys: Platyrhinidae) from the northwestern Pacific, with descriptions of two new species. Zootaxa, 2738: 26-40.
  • Miyamoto K., Wada M, Tanaka F, Kimura S, Iwatsuki Y. 2011. First record of a carangid fish, Selar boops, from Japan. TAXA, proceeding of the Japanese Society of Systematic Zoology, 31: 19-22.
  • Oka, S., Matsuzaki S., Miyamoto K. 2014. Current status of the coconut crab, Birgus latro (Anomura: Coenobitidae) in Ocean Expo Park, Okinawa-jima Island, southwestern Japan. Biological Magazine Okinawa 52: 11-19.
  • Oka S., Miyamoto K. 2014. Larvae and juvenile fishes collected by light-trap sampling at Shinzato Port, Okinawa Island southern Japan, Fauna Ryukyuana, 16: 1-11
  • Miyamoto K., Oka S. 2014. Occurrence of Gerres macracanthus (Perciformes: Gerreidae) from Okinawa Island, Ryukyu Archipelago, Japan. Fauna Ryukyuana, 17: 1-6
  • Oka S. & Miyamoto K. 2015. Pelagic juvenile of Plectroglyphidodon johnstonianus Flower & Ball, 1924 (Perciformes, Pomacentridae, Stegastinae) identified from morphometric and genetic evidence. Fauna Ryukyuana, 20:1-6.
  • Oka S, Miyamoto K, Matsuzaki S & Sato T. 2015. Growth of the coconut crab, Birgus latro, at its northernmost range estimated from mark-recapture using individual identification based on carapace grooving patterns. Zoological Science, 32: 260-265
  • Oka, S. & K. Miyamoto. 2015. Reproductive biology and growth of bluestripe herring Herklotsichthys quadrimaculatus (Rüppell, 1837) in the northernmost waters. Journal of Applied Ichthyology, 31: 709-713,
  • Miyamoto, K., A. Nonaka & S. Oka. 2015. Northernmost record of a poorly known tuskfish, Choerodon margaritiferus (Perciformes: Labridae), from southern Japan, and first description of a female. Zootaxa, 4007 (1): 82-90.
  • 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
  • Miyazato, S., Umemoto, H., Fukukawa, Y., Miyamoto, K., Kawazu, I. 2015. Confirmation of loggerhead turtles (Caretta caretta) ingesting porcupine fish (Diodon sp.) Umigame Newsletter of Japan, 101: 2-4.
  • Oka S, Miyamoto K, Tokutake K, Nagata S, Yamazaki K. 2016. The nature outreach using the wild coconut crab resource in Ocean Expo Park, Okinawa, Japan. Environmental Education, 26:78-84.
  • Oka S, Miyamoto K, Matsuzaki S. 2016. Long-term sedentary behavior of coconut crab in their northernmost range. International Journal of Pure and Applied Zoology, 4: 174-178.
  • Oka S, Tomita T, Miyamoto K. 2016. A mighty claw: Pinching force of the coconut crab, the largest terrestrial crustacean. PLOS ONE, 11(11): e0166108. doi: 10.1371/journal.pone.0166108.
  • 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.
  • Miyamoto, K., Miyamoto, A. 2016. A record of Oceania armata Kölliker, 1853 (Hydrozoa: Anthomedusae: Oceaniidae) from Okinawa Island, Ryukyu Archipelago, Japan. Fauna Ryukyuana, 34: 15-20.
  • Miyamoto, K., Oka, S., Yonamine, H., Agarie, S., Genba, H., Hanahara, N. 2017. A high-density habitat and genetic characteristics of the Oriental weatherfish, Misgurnus anguillicaudatus, and the Asian swamp eel, Monopterus albus, found in Nago City, Okinawa-jima Island, southwestern Japan. Fauna Ryukyuana, 34: 15-20.
  • 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.
  • Shimose, T., Akita, Y., Ohta, I. & Miyamoto, K. 2017. Biological aspects and stock status of Bolbometopon muricatum (Perciformes: Scaridae). Biol. Mag. Okinawa 55: 47-57.
  • Ohashi, S. & Miyamoto, K. 2017. Report of an additional specimen of two-spot cusk Neobythites bimaculatus from Japan with a variation in ocelli patterns. Bull. Fish. Sci. Hokkaido Univ. 67(2): 13-16.
  • Tashiro, F., Hibino, Y., Miyamoto, K. 2017. First Records of the Rare Snake Eel Ophichthus exourus (Pisces: Anguilliformes: Ophichthidae)from the Northern Hemisphere. Species Diversity, 22: 213-217.
  • Tomita, T., Toda, M., Miyamoto, K., Oka, S., Ueda, K., and Sato, K. 2018 Development of the lunate-shaped caudal fin in white shark embryos. The Anatomical Record.
  • Nakayama, N., Takaoka, H., Miyamoto, K. 2018. First Record of the Grenadier Coelorinchus sheni (Actinopterygii: Gadiformes: Macrouridae) from Japan. Species Diversity, 23: 121-127.
  • Tomita T, Toma H, Murakumo K, Yanagisawa M, Yano N, Oka S, Miyamoto K, Hanahara N, Sato K. 2018. Captive Birth of Tiger Shark (Galeocerdo cuvier) Revealed the Shift of Respiratory Mode Across Parturition. Copeia, in press.
  • Tomita, T., Toda, M., Miyamoto, K., Ueda, K. and Nakaya K. 2018. Morphology of a hidden tube: Resin injection and CT scanning reveal the three-dimensional structure of the spiracle in the Japanese bullhead shark Heterodontus japonicas (Chondrichthyes; Heterodontiformes; Heterodontidae). The Anatomical Record.

Affiliated academic society

  • The Ichthyological Society of Japan
  • Japanese Society of Systematic Zoology