The Cherna (Alphestes afer) is a saltwater fish of the family Serranidae that grows up to 33 cm.
Description
The mutton hamlet is a sea bass (Serranidae) from the western Atlantic and the Caribbean. The species has a stocky, red-brown mottled body that camouflages it among vegetation. It is a solitary inhabitant of seagrass beds and rocky coastal waters. By day it is little active and hides in crevices or among seaweed; at night it hunts as an ambush predator for crustaceans and small fishes. The species is harmless to humans.
Frequently asked questions
How do you recognise the Cherna?
The Cherna has a torpedo-shaped body, is mainly brown and shows a spots pattern. Red-brown marbled, camouflaged sea bass; nocturnal ambush predator in seagrass. Note: in tropical areas this species can cause ciguatera poisoning when eaten; large specimens of coral reef predators can accumulate the toxin. Eat with care or avoid in risk areas.
Where does the Cherna live?
The Cherna lives in the sea (marine waters) and is mostly found around stony or rocky ground. Western Atlantic and Caribbean; seagrass and rocky coastal waters.
How big does the Cherna get?
The Cherna grows to a maximum of about 33 cm.
Is the Cherna dangerous to humans?
The Cherna is venomous — handle spines with care and seek medical help after a sting if needed. None required: this species is harmless to humans.
Is the Cherna edible?
Yes, the Cherna is commonly eaten.
More photos

Want the complete picture on the Cherna?
Point your camera at the fish and Fin names the species in seconds. Free, and the Cherna is one of 12,519 species in the app.
All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Alphestes
More from the family Serranidae

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