Fin's Fish Guide
The Rosy blenny (Malacoctenus macropus) is a saltwater fish of the family Labrisomidae that grows up to 6 cm.
Description
Malacoctenus macropus, the rosy blenny, is a small, bottom-dwelling blenny of the family Labrisomidae from the western Atlantic and Caribbean. The species has a stocky, reddish to brown mottled body and reaches only about 5 cm. It occurs in a variety of shoreline habitats, including shallow sponge beds, seagrass areas and coral rubble, where it stays among vegetation and crevices. The diet consists mainly of small crustaceans. Owing to its small size and colourful appearance the species is mainly of interest as a reef inhabitant and aquarium fish rather than a food fish.
Frequently asked questions
How do you recognise the Rosy blenny?
The Rosy blenny has a torpedo-shaped body, is mainly red-orange and shows a spots pattern. Small, reddish marbled blenny of shallow coastal habitats.
Where does the Rosy blenny live?
The Rosy blenny lives in the sea (marine waters) and is mostly found around stony or rocky ground. Shallow coastal habitats of the western Atlantic and the Caribbean.
How big does the Rosy blenny get?
The Rosy blenny grows to a maximum of about 6 cm.
Is the Rosy blenny dangerous to humans?
No, the Rosy 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.
Is the Rosy blenny edible?
The Rosy 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 Malacoctenus
More from the family Labrisomidae
Want the complete picture on the Rosy blenny?
Point your camera at the fish and Fin names the species in seconds. Free, and the Rosy blenny is one of 12,519 species in the app.