The Longhorn blenny (Hypsoblennius exstochilus) is a saltwater fish of the family Blenniidae that grows up to 5 cm.
Description
The longhorn blenny is a blenny (Blenniidae) from the western Atlantic Ocean. The species is small, has a blunt head profile with fringed tentacles above the eyes and a scaleless body. It inhabits shallow rocky areas, where it shelters in cracks, empty shells and holes and defends its territory. It feeds on algae and small bottom invertebrates. The eggs are adhesive and guarded by the male. The species is harmless to humans.
Frequently asked questions
How do you recognise the Longhorn blenny?
The Longhorn blenny has an elongate, eel-like body, is mainly brown and shows a spots pattern. Fringe-like crests above the eyes; territorial blenny that shelters in crevices and shells.
Where does the Longhorn blenny live?
The Longhorn blenny lives in the sea (marine waters) and is mostly found around sand or mud bottom. Western Atlantic; shallow rocky areas.
How big does the Longhorn blenny get?
The Longhorn blenny grows to a maximum of about 5 cm.
Is the Longhorn blenny dangerous to humans?
No, the Longhorn blenny is harmless to humans. None required: this species is harmless to humans.
Is the Longhorn blenny edible?
The Longhorn blenny is not usually eaten.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Hypsoblennius
More from the family Blenniidae

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