Epinephelus morrhua

Comet grouper EEP
Characteristic features:

Head and body pale brownish with long curved dark-brown stripes, dark blotch at base of mid-dorsal fin joined to thin stripe from upper operculum, lowermost stripe on body broken posteriorly.


Up to 73 cm TL.


Indo–West Pacific in tropical waters.


Deep coral reefs, from 80 to 370 m depth.

Indonesian fisheries:

Caught with hand-line, long-line, gill net, and trawls.

Similar species:

Epinephelus poecilonotus
Dotdash grouper

Epinephelus poecilonotus

Epinephelus poecilonotus differs in juveniles, 5–12 cm SL, with oval black blotch on body between 1st and 7th dorsal-fin spine, a semicircular band passes ventrally around the blotch, with more series of dark patterns and white bands below. Black markings fade with increase size, until when adult, 40–50 cm SL, where most dark spots on body are faint or absent (vs. head, mid and upper body tan with a series of irregular darker brown bands radiating from eye, along body and curving up to dorsal fin. Bands may be broken and appear as elongate spots) and fins yellowish; dorsal-fin margin brownish yellow to orange; soft dorsal, anal, and caudal fins blackish distally with a bluish white edge (vs. fins unmarked, hyaline yellow).

Epinephelus radiatus
Obliquebanded grouper

Epinephelus radiatus

Epinephelus radiatus differs in small adults, 20–40cm SL, with 5 dark edged pale bands, scattered with spots on sides and dorsally; large adults, 40–50 cm SL, with dark edges of bands replaced by a series of dark spots (vs. long curved dark brown stripes, dark blotch at base of mid dorsal fin joined to think stripe from upper operculum, lowermost stripe on body broken posteriorly) and pale bands becoming more vertical posteriorly (vs. brown stripes horizontal along body).

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