Epinephelus ongus   (Bloch,  1790) (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: Randall, J.E.

Size: 30 cm.

Color: Generally dark grey or greyish brown covered with small spots of pale grey or blue grey; some fish with an overlying pattern of pale blotches; maxillary groove black; pale spots of large adults joined to form horizontal bands.

Body depth contained 2.7 to 3.2 times in standard length. Interorbital area flat; opercular flap obtuse, the upper edge very convex; uppermost opercular spine not more anterior than lower spine; lower gillrakers 13 to 17. Dorsal fin with 11 spines and 15 or 16 soft rays; anal fin with 3 spines and 8 soft rays; pectoral rays 15 to 17; pectoral fin length 1.4 to 1.7 times in head length; caudal fin rounded. Pored lateral line scales 47 to 53; lateral scale series 95 to 107; scales on body ctenoid, except on belly.

Protogynous, external fertilization, nonguarders, open water/substratum egg scatterers.

Synonym (s)
Holocentrus ongus Bloch, 1790

Common Name (s)
• Whitestreaked Grouper (English)
• Specklefin Grouper (English)
Economic Importance and Threats
Importance:  Commercial
(Sold fresh and dried salted in local markets.)
Threats:  Anthropogenic
(The two main threats to Epinephelus ongus are overfishing and habitat loss, particularly in areas where destructive fishing methods are used.)

Habitat:  Reef Associated, Estuarine, Coastal
Trophic Level:  Tertiary Consumer
Prey:  Benthic crustaceans, fishes
IUCN Status:  Least Concern



Literature Source(s)
  • Rao, DV; Devi, K and Rajan, PT (2000) An account of ichthyofauna of Andaman and Nicobar Islands, Bay of Bengal Occasional paper no 178 Records of the Zoological Survey of India ZSI, Calcutta 1-434 Available at - NCL, Pune
  • James, C; O'Farrell, S; Hamylton, S; Ingwersen, C and Walker, R The coral reef resources of Mu Ko Surin national park, Thailand Coral Cay Conservation Available at - www.coralcay.org
  • Rajan, PT (2003) A field guide to marine food fishes of Andaman and Nicobar Islands ZSI, 234/4, AJC Bose Road, 2nd MSO Building, (13th Floor), Nizam Palace, Kolkata-700 020 260 pp Available at - NCL, Pune
  • Allen, GR and Mohammed, A (2003) Coral Reef Fishes of Indonesia Zoological Studies 42(1) 26299 Available at - Digital Information Resource Center, Pune.
  • Froese, R and Pauly, D (2000) Fishbase 2000: Concepts, design and data sources ICLARM 344 pp Available at - http://www.fishbase.org
  • Fischer, W and Bianchi, G (Eds.) (1984) FAO species identification sheets for fishery purposes. Western Indian Ocean (Fishing Area 51) FAO, Rome 4 Available at - http://www.fao.org/docrep/009/ad468e/ad468e00.HTM#Contents
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • (2003) IUCN Red list of threatened species Available at - http://www.iucnredlist.org/

Page last updated on:2010-05-25

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