Fin's Fish Guide
The Three-lined blenny (Ecsenius trilineatus) is a saltwater fish of the family Blenniidae that grows up to 3 cm.
Oceania: Australia, Solomon Is., Indonesia, Papua New Guinea, Timor-Leste
Description
The three-lined blenny is a small, scaleless blenny (Blenniidae) from the western Pacific. The species grows to about 3 cm and has a slender body with a few fine dark longitudinal lines and a blunt head with comb teeth. As a bottom-dweller it shelters in empty worm tubes and crevices of coral reefs, with only the head showing, and rasps algae and growth. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Three-lined blenny?
The Three-lined blenny has an elongate, eel-like body, is mainly brown and shows a horizontal stripes pattern.
Where does the Three-lined blenny live?
The Three-lined blenny lives in the sea (marine waters) and is mostly found around stony or rocky ground. Oceania: Australia, Solomon Is., Indonesia, Papua New Guinea, Timor-Leste
How big does the Three-lined blenny get?
The Three-lined blenny grows to a maximum of about 3 cm.
Is the Three-lined blenny dangerous to humans?
No, the Three-lined blenny is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.
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 Three-lined blenny?
Point your camera at the fish and Fin names the species in seconds. Free, and the Three-lined blenny is one of 12,519 species in the app.