Japanese Dory, Zenion japonicum Kamohara 1934

Japanese Dory, Zenion japonicum. Source: Ken J. Graham / NSW Fisheries. License: CC by Attribution-NonCommercial-ShareAlike

A bighead dory with a silvery body, a black tip to the first dorsal fin, and a pinkish caudal fin with a black margin. Bighead dories have a relatively slender body, a large head with exposed sculptured bones, a very large eye, an almost vertical upturned mouth, and strong fin spines.

Cite this page as:
Dianne J. Bray, Zenion japonicum in Fishes of Australia, accessed 23 Sep 2023, https://fishesofaustralia.net.au/home/species/1488

Japanese Dory, Zenion japonicum Kamohara 1934

More Info


Continental slope off Cape York, Queensland, to east of Lakes Entrance, Victoria. Inhabits seamounts, ridges and rises. Elsewhere the species occurs in the tropical west-Pacific.

Species Citation

Zenion japonicum Kamohara 1934, Proc. Imperial Acad. Japan 10(9): 597, fig. Type locality: off Mimase, near Kochi, Japan. (A neotype from off Mimase, near Kochi, Japan, designated by Kamohara 1961, is not regarded as valid as the work was not a revision).


Dianne J. Bray


Australian Faunal Directory

Japanese Dory, Zenion japonicum Kamohara 1934


Heemstra, P.C. 1999. Families Parazenidae, Macrocyttidae, Zeidae, Grammicolepididae, Caproidae. pp. 2257-2261 in Carpenter, K.E. & Niem, T.H. (eds) The Living Marine Resources of the Western Central Pacific. FAO Species Identification Guide for Fisheries Purposes. Rome : FAO Vol. 4 pp. 2069-2790 (as a synonym of Zenion hololepis). 

Kamohara, T. 1934. On a new fish Zenion japonicum, from Japan. Proceedings of the Imperial Academy of Japan 10(9): 597-599 1 fig. 

Kamohara, T. 1961. Notes on the type specimens of fishes in my laboratory. Report of the USA Marine Biological Station 8(2): 1–9 pls 1–7.

Masuda, H., Amaoka, K., Araga, C., Uyeno, T. & Yoshino, T. (eds) 1984. The Fishes of the Japanese Archipelago. Tokyo : Tokai University Press Vol. 1–2 437 pp. 247 figs 370 pls.

Nakabo, T. (ed.) 2002. Fishes of Japan with pictorial keys to the species. English edition. Tokyo : Toikai University Press pp. 867-1749.

Okamura, O., Amaoka, K. & Mitani, F. (eds) 1982. Fishes of the Kyushu-Palau Ridge and Tosa Bay. The intensive research of unexploited fishery resources on continental slopes. Japan Fisheries Resource Conservation Association, Tokyo 1-435.

Paxton, J.R., Gates, J.E., Bray, D.J. & Hoese, D.F 2006. Zeniontidae. pp. 795-796 in Beesley, P.L. & Wells, A. (eds) Zoological Catalogue of Australia. Volume 35 Australia : ABRS & CSIRO Publishing Parts 1-3, 2178 pp.

Quick Facts

CAAB Code:37263001

Depth:170-550 m

Habitat:Benthopelagic, seamounts & ridges

Max Size:10 cm SL

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CAAB distribution map