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Bathyraja (Arctoraja) sexoculata sp. nov., a new softnose skate (Rajiformes: Arhynchobatidae) from Simushir Island, Kuril Islands (western North Pacific), with special reference to geographic variations in Bathyraja (Arctoraja) smirnovi. Zootaxa, 4861(4), 515–543
Population structure of the ocellate spot skate (Okamejei kenojei) inferred from variations in mitochondrial DNA (mtDNA) sequences and from morphological characters of regional populations. Fishery Bulletin, 117(1–2), 24–36
DOI: 10.7755/FB.117.1.4
A checklist of sharks based on voucher specimens and photographs from Kochi Prefecture (southern Shikoku Island, Japan) [in Japanese]. Report of Japanese Society for Elasmobranch Studies, 55, 31–54
Record of the goblin shark Mitsukurina owstoni from Ibaraki Prefecture, Japan [in Japanese]. Report of Japanese Society for Elasmobranch Studies, 52, 12–16