The Bar-breasted rock-cod (Epinephelus quoyanus) is a saltwater fish of the family Serranidae that grows up to 40 cm.
Description
The longfin grouper is a grouper of the family Serranidae from the western Pacific. The species grows to about 40 cm and has a pale body densely covered with brown, honeycomb-like spots, with a dark blotch at the pectoral-fin base. It inhabits inshore, silty reefs and is not found deeper than about 50 metres. As an ambush predator it feeds on shrimps, small fishes and other crustaceans. Groupers are often protogynous hermaphrodites, starting as females and later able to become males. The longfin grouper is a valued food fish and harmless to humans.
Frequently asked questions
How do you recognise the Bar-breasted rock-cod?
The Bar-breasted rock-cod has a torpedo-shaped body, is mainly brown and shows a spots pattern. Honeycomb-like brown blotch pattern; protogynous hermaphrodite (first female). 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 Bar-breasted rock-cod live?
The Bar-breasted rock-cod lives in the sea (marine waters) and is mostly found around stony or rocky ground. Western Pacific; inshore silty reefs to approximately 50 m.
How big does the Bar-breasted rock-cod get?
The Bar-breasted rock-cod grows to a maximum of about 40 cm.
Is the Bar-breasted rock-cod dangerous to humans?
The Bar-breasted rock-cod 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 Bar-breasted rock-cod edible?
Yes, the Bar-breasted rock-cod is commonly eaten.
More photos

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

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