Lourie, S.A., Pollom, R.A. and Foster, S.J. A global revision of the seahorses Hippocampus Rafinesque 1810 (Actinopterygii: Syngnathiformes): Taxonomy and biogeography with recommendations for future research (англ.) // Zootaxa. — 2016. — Vol. 4146, no. 1. — P. 1—66. — doi:10.11646/zootaxa.4146.1.1.
Short G., Smith R., Motomura H., Harasti D., Hamilton H.Hippocampus japapigu, a new species of pygmy seahorse from Japan, with a redescription of H. pontohi (Teleostei, Syngnathidae) (англ.) // ZooKeys. — Pensoft Publishers, 2018. — Iss. 779. — P. 27—49. — ISSN1313-2970. — doi:10.3897/zookeys.779.24799.
Short G., Smith R., Motomura H., Harasti D., Hamilton H.Hippocampus japapigu, a new species of pygmy seahorse from Japan, with a redescription of H. pontohi (Teleostei, Syngnathidae) (англ.) // ZooKeys. — Pensoft Publishers, 2018. — Iss. 779. — P. 27—49. — ISSN1313-2970. — doi:10.3897/zookeys.779.24799.