The Hancock's blenny (Acanthemblemaria hancocki) is a saltwater fish of the family Chaenopsidae that grows up to 5 cm.
Description
Hancock's blenny is a small blenny from the eastern Pacific, ranging from the Gulf of California to Panama and the Galapagos. The species grows to about 5 cm and has an elongate body and a large head with fringe-like appendages. It occupies empty shell and worm tubes or barnacles on the reef and, from that shelter, holds its head out to snatch drifting zooplankton. The fish is harmless to humans and has not been evaluated by the IUCN (NE).
Frequently asked questions
How do you recognise the Hancock's blenny?
The Hancock's blenny has an elongate, eel-like body, is mainly brown and shows a marbled pattern. Takes over empty tubes and barnacles; lies in wait for plankton with its head protruding
Where does the Hancock's blenny live?
The Hancock's blenny lives in the sea (marine waters) and is mostly found around stony or rocky ground. Eastern Pacific
How big does the Hancock's blenny get?
The Hancock's blenny grows to a maximum of about 5 cm.
Is the Hancock's blenny dangerous to humans?
No, the Hancock's 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 Hancock's blenny edible?
The Hancock's blenny is not usually eaten.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Acanthemblemaria
More from the family Chaenopsidae

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