Fin's Fish Guide
The Bicolor blenny (Ecsenius bicolor) is a saltwater fish of the family Blenniidae that grows up to 11 cm.
Description
The bicolor blenny is a blenny (Blenniidae) from the Indo-West Pacific. The species reaches about 11 cm and is strikingly bicoloured: the front half of the body is dark blue, the rear orange, to which the name refers. It inhabits clear lagoon and seaward reefs with mixed corals and algae-covered rocks, where it lives solitarily and often retreats into abandoned worm tubes. With its comb-like teeth it grazes algae and detritus from the surface. The adhesive eggs are laid on the bottom. The species is popular in the marine aquarium trade.
Frequently asked questions
How do you recognise the Bicolor blenny?
The Bicolor blenny has an elongate, eel-like body, is mainly multicoloured and shows a plain pattern. Front half dark blue, rear half orange; shelters in abandoned worm tubes; popular in the marine aquarium trade.
Where does the Bicolor blenny live?
The Bicolor blenny lives in the sea (marine waters) and is mostly found around stony or rocky ground. Indo-West Pacific, on lagoon and seaward reefs.
How big does the Bicolor blenny get?
The Bicolor blenny grows to a maximum of about 11 cm. On average the species is around 8 cm.
Is the Bicolor blenny dangerous to humans?
No, the Bicolor blenny is harmless to humans. None required: this species is harmless to humans.
Is the Bicolor blenny edible?
The Bicolor blenny is not usually eaten.
More photos
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Ecsenius
More from the family Blenniidae
Want the complete picture on the Bicolor blenny?
Point your camera at the fish and Fin names the species in seconds. Free, and the Bicolor blenny is one of 12,519 species in the app.