Fin's Fish Guide
The Roundhead blenny (Omobranchus rotundiceps) is a brackish-water fish of the family Blenniidae that grows up to 8 cm.
Description
The Roundhead blenny is a combtooth blenny (Blenniidae) from shallow coastal, brackish and estuarine water of the Indo-West Pacific. The species grows to about 8 cm and has a scaleless, stocky, brown-marbled body with a blunt head and high-set eyes. As a bottom-dweller it shelters in empty shells, oyster beds, holes and among stones and rasps algae and small invertebrates. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Roundhead blenny?
The Roundhead blenny has an elongate, eel-like body, is mainly brown and shows a marbled pattern.
Where does the Roundhead blenny live?
The Roundhead blenny lives in brackish water and is mostly found around stony or rocky ground. Oceania: Australia, Viet Nam
How big does the Roundhead blenny get?
The Roundhead blenny grows to a maximum of about 8 cm.
Is the Roundhead blenny dangerous to humans?
No, the Roundhead 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 Omobranchus
More from the family Blenniidae
Want the complete picture on the Roundhead blenny?
Point your camera at the fish and Fin names the species in seconds. Free, and the Roundhead blenny is one of 12,519 species in the app.