Fin's Fish Guide
The Seaweed blenny (Parablennius marmoreus) is a saltwater fish of the family Blenniidae that grows up to 9 cm.
Western Atlantic and Caribbean, on algae-covered limestone blocks and basins, sometimes near mangrove roots.
Description
The seaweed blenny is a small blenny (family Blenniidae) of the western Atlantic and Caribbean. The species reaches about 8 cm and has an elongate, brown-yellow mottled body with small skin fringes (cirri) above the eyes. It inhabits eroded limestone basins and boulders covered by an algal mat, sea fans and other growth, sometimes around mangrove roots; juveniles are sometimes found in floating Sargassum. Its diet consists of algae and small invertebrates. The species is territorial, shelters in holes and crevices and is harmless to humans.
Frequently asked questions
How do you recognise the Seaweed blenny?
The Seaweed blenny has a torpedo-shaped body, is mainly brown and shows a marbled pattern. Small blenny with skin fringes above the eyes; lives on hard bottoms overgrown with algae.
Where does the Seaweed blenny live?
The Seaweed blenny lives in the sea (marine waters) and is mostly found around stony or rocky ground. Western Atlantic and Caribbean, on algae-covered limestone blocks and basins, sometimes near mangrove roots.
How big does the Seaweed blenny get?
The Seaweed blenny grows to a maximum of about 9 cm.
Is the Seaweed blenny dangerous to humans?
No, the Seaweed blenny is harmless to humans. None required: this species is harmless to humans.
Is the Seaweed blenny edible?
The Seaweed 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 Parablennius
More from the family Blenniidae
Want the complete picture on the Seaweed blenny?
Point your camera at the fish and Fin names the species in seconds. Free, and the Seaweed blenny is one of 12,519 species in the app.