Animal Species:Bicolor Blenny, Ecsenius bicolor (Day, 1888)
The Bicolor Blenny lives in crevices on coral reefs and comes in three colour forms. All have a curved pinkish marking behind the eye.
Three colour forms are known. The fish in the image is the two-coloured form, which is bright orange posteriorly. The second form is dark brown all over, and the third form has a more complex pattern with a black and a white stripe along the body. All three forms have a curved pinkish marking behind the eye.
Including the elongated caudal fin, this species can grow to 11 cm in length.
The Bicolor Blenny is distributed from the central Indian Ocean to the western Pacific.
In Australia it is recorded from the central Western Australian coast to northern New South Wales.
The map below shows the Australian distribution of the species based on public sightings and specimens in Australian Museums. Click on the map for detailed information. Source: Atlas of Living Australia.
Distribution by collection data
The Bicolor Blenny lives in crevices on coral reefs.
- Allen, G.R. 1997. Marine Fishes of Tropical Australia and South-east Asia. Western Australian Museum. Pp. 292.
- Randall, J.E., Allen, G.R. & R.C. Steene. 1997. Fishes of the Great Barrier Reef and Coral Sea. Crawford House Press. Pp. 557.