Smallhead Catfish, Euristhmus microceps (Richardson 1845)

Smallhead Catfish, Euristhmus microceps. Source: Barry Hutchins / Western Australian Museum. License: CC By Attribution-NonCommercial-ShareAlike

A brownish eeltailed catfish mottled with large pale spots, a large dusky-brown spot near the lateral line below the first dorsal-fin base, and a narrow black margin on the anal fin and second dorsal fin, and a black filamentous first dorsal-fin ray.

Cite this page as:
Bray, D.J. 2018, Euristhmus microceps in Fishes of Australia, accessed 30 Nov 2023,

Smallhead Catfish, Euristhmus microceps (Richardson 1845)

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Endemic to Western Australia, from Shark Bay to Broome.

Species Citation

Plotosus microceps Richardson 1845,  Zoology of the Voyage of H.M.S. Erebus and Terror Vol. 2(2): 31, pl. 21(4-7). Type locality: north-west coast of Australia.


Bray, D.J. 2018


Australian Faunal Directory

Smallhead Catfish, Euristhmus microceps (Richardson 1845)


Ferraris, C.J. 2007. Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types. Zootaxa 1418: 1–628

Günther, A. 1864. Catalogue of the Fishes of the British Museum. Catalogue of the Physostomi, containing the families Siluridae, Characinidae, Haplochitonidae, Sternoptychidae, Scopelidae, Stomiatidae in the collection of the British Museum. London : British Museum Vol. 5 455 pp. (p. 28 as Cnidoglanis microcephalus)

Murdy, E.O. & Ferraris, C.J., Jr 2006. A revision of the marine eel-tailed catfish genus Euristhmus (Teleostei: Siluriformes: Plotosidae). The Beagle, Records of the Museums and Art Galleries of the Northern Territory 22: 77-90 

Richardson, J. 1845. Ichthyology. 17-52 pls 7-8 (parts), 11-30 in Richardson, J. & Gray, J.E. (eds). The Zoology of the Voyage of H.M.S. Erebus and Terror under the Command of Captain Sir James Clark Ross, R.N., F.R.S., during the years 1839–43. London : E.W. Janson Vol. 2 139 pp. pls 1-60. See ref online

Taylor, W.R. 1964. Fishes of Arnhem Land. Records of the American-Australian Scientific Expedition to Arnhem Land 4: 44-307 figs 1-68 (as Cnidoglanis microceps)

Quick Facts

CAAB Code:37192007

Danger:Venomous spines

Depth:1-20 m

Habitat:Soft bottom areas

Max Size:24 cm TL

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CAAB distribution map