The Black-lined blenny (Istiblennius lineatus) is a saltwater fish of the family Blenniidae that grows up to 15 cm.
Description
The lined rockskipper is a blenny (Blenniidae) from the Indo-West Pacific. The species has an elongate, scaleless body with fine dark stripes and tentacles above the eyes. Adults live in the intertidal zone of rocky shores and reef flats, including rock pools, and at low tide can skip among the rocks above water for short periods. With its comb-like teeth it rasps algae and growth from the substrate. The species is harmless to humans.
Frequently asked questions
How do you recognise the Black-lined blenny?
The Black-lined blenny has an elongate, eel-like body, is mainly brown and shows a horizontal stripes pattern. Small combs above the eyes; can leap out of the water among the rocks at low tide, grazes algae.
Where does the Black-lined blenny live?
The Black-lined blenny lives in the sea (marine waters) and is mostly found around stony or rocky ground. Indian and Pacific Ocean; intertidal zone of rocky coasts.
How big does the Black-lined blenny get?
The Black-lined blenny grows to a maximum of about 15 cm.
Is the Black-lined blenny dangerous to humans?
No, the Black-lined blenny is harmless to humans. None required: this species is harmless to humans.
Is the Black-lined blenny edible?
The Black-lined blenny is not usually eaten.

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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Istiblennius
More from the family Blenniidae

Want the complete picture on the Black-lined blenny?
Point your camera at the fish and Fin names the species in seconds. Free, and the Black-lined blenny is one of 12,519 species in the app.