Germain's Blenny, Omobranchus germaini (Sauvage 1883)

Other Names: Germain's Oyster Blenny

Germain's Blenny, Omobranchus germaini, at Rockingham, Western Australia, November 2016. Source: even928 / License: CC By Attribution-NonCommercial

A slender pale to brownish blenny with irregular diagonal brown bands and fine white lines on the mid to lower sides, brown spots and dashes along the back, wavy white vertical lines on the head and a pale-rimmed dark spot just behind the eye.

Cite this page as:
Bray, D.J. 2021, Omobranchus germaini in Fishes of Australia, accessed 17 Jun 2024,

Germain's Blenny, Omobranchus germaini (Sauvage 1883)

More Info


Rockingham, south Western Australia, around the tropical north, to at least One Tree Island, Queensland. Elsewhere the species occurs in the tropical, west Pacific.
Germain's Blenny is common and widespread, inhabiting crevices on shallow reefs, tide pools and stream mouths.


Dorsal fin XII-XIV, 18-23; Anal fin II, 21-26. 
Body depth about 5.8 in SL; dorsal fin with a slight notch between spinous and soft parts; 3 mandibular pores on each side; gill opening extending from just above pectoral-fin base to opposite 6th pectoral-fin ray; head crest and cirri absent; last dorsal and anal-fin rays attached by membrane to caudal fin. 

Species Citation

Petroscirtes germaini Sauvage 1883, Bull. Soc. Philomath. Paris 7 7: 158. Type locality: New Caledonia.


Bray, D.J. 2021


Australian Faunal Directory

Germain's Blenny, Omobranchus germaini (Sauvage 1883)


Allen, G.R. 1997. Marine Fishes of Tropical Australia and South-east Asia. Perth : Western Australian Museum 292 pp. 106 pls. 

Allen, G.R. & Erdmann, M.V. 2012. Reef fishes of the East Indies. Perth : Tropical Reef Research 3 vols, 1260 pp.

Allen, G.R. & Swainston, R. 1988. The Marine Fishes of North-Western Australia. A field guide for anglers and divers. Perth, WA : Western Australian Museum vi 201 pp., 70 pls. 

Gibbs, S., Hundt, P., Nelson, A., Egan, J., Tongnunui, P. & Simons, A. 2018. Systematics of the combtooth blenny clade Omobranchus (Blenniidae: Omobranchini), with notes on early life history stages. Zootaxa 4369(2): 270-280.

Hutchins, J.B. & Thompson, M. 1983. The Marine and Estuarine Fishes of South-western Australia. Perth : Western Australian Museum 103 pp. 345 figs.

Randall, J.E. 2005. Reef and shore fishes of the South Pacific. New Caledonia to Tahiti and the Pitcairn Islands. Honolulu : University of Hawaii Press 707 pp.

Sauvage, H.E. 1883. Descriptions de quelques poissons de la collection du Muséum d'Histoire Naturelle. Bulletin de la Société Philomathique de Paris 7 7: 156-161. 

Springer, V.G. 1972. Synopsis of the tribe Omobranchini with descriptions of three new genera and two new species (Pisces : Blenniidae). Smithsonian Contributions to Zoology 130: 1-31 figs 1-16

Springer, V.G. 2001. Blenniidae. pp. 3538-3546 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. 6 pp. 3381-4218.

Springer, V.G. & Gomon, M.F. 1975. Revision of the blenniid fish genus Omobranchus with descriptions of three new species and notes on other species of the tribe Omobranchini. Smithsonian Contributions to Zoology 177: 1-135 figs 1-52 

Whitley, G.P. 1945. New sharks and fishes from Western Australia. Part 2. The Australian Zoologist 11(1): 1-42 figs 1-15 (as Graviceps alexanderi)

Williams, J.T. 2014. Omobranchus germaini. The IUCN Red List of Threatened Species 2014: e.T48342171A48359477. Downloaded on 17 September 2016.

Quick Facts

CAAB Code:37408061

Conservation:IUCN Least Concern

Depth:0-3 m

Habitat:Reef associated

Max Size:8 cm TL

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CAAB distribution map