Great Seahorse, Hippocampus kelloggi Jordan & Snyder 1901

Other Names: Kellogg's Seahorse, Offshore Seahorse

A Great Seahorse, Hippocampus kelloggi, at Bare Island, Botany Bay, New South Wales, April 2017. Source: John Turnbull / Flickr. License: CC by Attribution-NonCommercial-ShareAlike

Cite this page as:
Bray, D.J. 2017, Hippocampus kelloggi in Fishes of Australia, accessed 02 Dec 2022,

Great Seahorse, Hippocampus kelloggi Jordan & Snyder 1901

More Info


Central New South Wales to Botany Bay, Sydney. Elsewhere the species is widespread in the Indo-west Pacific, from the Red Sea, Persian Gulf, the Gulf of Oman and East Africa, to southeast Asia, China and Japan. Inhabits reefs and also soft bottom areas, often in association with gorgonian corals and sea whips.


Taken as by-catch in commercial and artisanal fisheries in many parts of its range. Dried individuals are traded in the traditional Chinese medicine industry, and the species is also traded in the aquarium industry.

Species Citation

Hippocampus kelloggi Jordan & Snyder 1901, Proc. U. S. Natl Mus. 24(1241): 14, Pl. 8. Type locality: Kagoshima, Japan.


Bray, D.J. 2017

Great Seahorse, Hippocampus kelloggi Jordan & Snyder 1901


Evanson, M., Foster, S. J. & Vincent, A. C.J. 2011. Tracking the international trade of seahorses (Hippocampus species) - The importance of CITES. Fisheries Centre Research Reports 19(2). Fisheries Centre, University of British Columbia, Canada. 

Foster, S.J. & Vincent, A.C.J. 2004. Life history and ecology of seahorses: implications for conservation and management. Journal of Fish Biology 65: 1-61.

Harasti, D. 2017. Southwards range extension of the great seahorse (Hippocampus kelloggi Jordan & Snyder, 1901) in Australia. Journal of Applied Ichthyology 00: 1–3.

Jordan, D.S. & Snyder, J.O. 1901. A review of the hypostomide and lophobranchiate fishes of Japan. Proceedings of the United States National Museum 24(1241): 1-20.

Kuiter, R.H. 2009. Seahorses and their relatives. Aquatic Photographics, Seaford, Australia: 1-333.

Lourie, S.A., Foster, S.J., Cooper, E.W.T. & Vincent, A.C.J. 2004. A Guide to the Identification of Seahorses. Project Seahorse and TRAFFIC North America, University of British Columbia and World Wildlife Fund, Washington D.C.

Lourie, S.A., Pollom, R.A. & Foster, S.J. 2016. A global revision of the seahorses Hippocampus Rafinesque 1810 (Actinopterygii: Syngnathiformes): taxonomy and biogeography with recommendations for further research. Zootaxa 4146(1): 1-66.

Wiswedel, S. 2012. Hippocampus kelloggi. The IUCN Red List of Threatened Species 2012: e.T41010A17242053. Downloaded on 19 April 2017.

Quick Facts

Biology:Males brood the eggs

Conservation:EPBC Act Marine Listed

Conservation:IUCN Vulnerable; CITES Listed

Depth:1-152 m

Fishing:Aquarium fish; traditional medicine industry

Habitat:Reef associated

Species Image Gallery

Species Maps

CAAB distribution map