The Edgeblack grouper (Epinephelus summana) is a brackish-water fish of the family Serranidae that grows up to 52 cm.
Description
The summan grouper is a grouper of the family Serranidae from the Red Sea and the western Indian Ocean. The species grows to about 50 cm and has a dark-brown body studded with numerous small, whitish spots. It inhabits shallow, protected coral reefs and lagoons, also in brackish-water environments, where it shelters among coral and in crevices. As an ambush hunter it catches fishes and crustaceans. Little has been published on its biology. It is a food fish and is harmless to humans.
Frequently asked questions
How do you recognise the Edgeblack grouper?
The Edgeblack grouper has a torpedo-shaped body, is mainly brown and shows a spots pattern. Dark brown with numerous small whitish blotches; protogynous hermaphrodite of the Red Sea.
Where does the Edgeblack grouper live?
The Edgeblack grouper lives in brackish water and is mostly found around stony or rocky ground. Red Sea and western Indian Ocean; shallow coral reefs and lagoons.
How big does the Edgeblack grouper get?
The Edgeblack grouper grows to a maximum of about 52 cm. On average the species is around 40 cm.
Is the Edgeblack grouper dangerous to humans?
No, the Edgeblack grouper is harmless to humans. None required: this species is harmless to humans.
Is the Edgeblack grouper edible?
Yes, the Edgeblack grouper is commonly eaten.
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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 Edgeblack grouper?
Point your camera at the fish and Fin names the species in seconds. Free, and the Edgeblack grouper is one of 12,519 species in the app.