Specklefin Grouper, Epinephelus ongus (Bloch 1790)

Other Names: Lace-finned Rock-cod, Speckled-fin Rockcod, Speckled-finned Rock-cod, Specklefin Rockcod, Speckle-finned Cod, Wavy-lined Rock-cod, White-speckled Grouper, White-spotted Rock-cod, Whitestreaked Grouper, White-streaked Grouper

A Specklefin Grouper, Epinephelus ongus, at North Point, Lizard Island, Great Barrier Reef, Queensland. Source: Graham Edgar / Reef Life Survey. License: CC BY Attribution

A brown grouper with large white blotches and numerous smaller pale spots on head, body and fins that become elongate 'streaks' in larger fish, and a dark submarginal band on the dorsal, anal and caudal fins. The dark brown juveniles are covered in white spots.

Cite this page as:
Dianne J. Bray, Epinephelus ongus in Fishes of Australia, accessed 20 Jul 2024, https://fishesofaustralia.net.au/home/species/4500

Specklefin Grouper, Epinephelus ongus (Bloch 1790)

More Info


Recorded in Australia from Western Australian offshore reefs, off Arnhem Land, Northern Territory, to the Great Barrier Reef, Queensland. Elsewhere, the species is widespread and locally abundant in some areas of the Indo-West Pacific.
Inhabits coastal and lagoon reefs in depths of 5-25 m.


Carnivore - feeds on crustaceans and fishes.


Of minor commercial importance in parts of its range.


Dianne J. Bray

Specklefin Grouper, Epinephelus ongus (Bloch 1790)


Russell, B., Heemstra, P.C., Pollard, D., Fennessy, S., Kulbicki, M. & Cabanban, A.S. 2008. Epinephelus ongus. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 11 September 2014.

Quick Facts

CAAB Code:37311069

Conservation:IUCN Least Concern

Depth:5-25 m

Habitat:Reef associated

Max Size:40 cm TL

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