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Taxon profile

species

Captain Fine
Epinephelus albomarginatus Boulenger, 1903

kingdom Animalia - animals »  phylum Chordata - chordates »  class Actinopterygii - ray-finned fishes »  order Perciformes - perch-likes »  family Serranidae - sea basses and groupers »  genus Epinephelus

Other names

= White-edged Grouper

Vulnerable VU

Description

Body depth less than head length, depth contained 2.6 to 3.0 times in standard length (for fish 15 to 46 cm standard length). Head length contained 2.3 to 2.5 times in standard length; preopercle angular, with 2 or 3 enlarged serrae at the angle; upper edge of operculum straight or convex; diameter of rear nostril about twice that of front one; maxilla naked, without a step on ventral edge; maxilla reaches shorter or longer than vertical at rear edge of eye; midside of lower jaw with 2 rows of teeth. Gill rakers 8 to 10 on upper limb, 14 to 16 on lower limb, 22 to 26 total. Dorsal fin with XI spines and 14 rays, the third or fourth spine longest, its length contained 2.6 to 3.4 times in head length, the interspinous membranes distinctly incised; anal fin with III spines and 8 rays; pectoral-fin with 17 or 18 rays, equal to or slightly longer than pelvic fins, pectoral-fin length contained 1.9 to 2.2 times in head length; pelvic fins not reaching anus; caudal fin truncate, with rounded corners in adults, the rear edge convex in juveniles. Lateral-body scales ctenoid, with a few auxiliary scales in adults; lateral-line scales 56 to 66; lateral-scale series 92 to 106.
Colour: Head, body, dorsal, and caudal fins pale brown, with numerous small dark brown spots; ventral parts of head and body without spots: on juveniles, many of the spots merge to form double spots; prominent dark brown streak along upper edge of maxillary groove. Margin of interspinous dorsal-fin membranes yellow or gold; soft dorsal and anal fins dusky distally, with prominent white edge; upper and lower edges of rear part of caudal fin also white-edged; pectoral fins yellowish or reddish orange.

Distribution

E. albomarginatus is known only from the southeast coast of Africa between Quissico, Mozambique (24º50'S) and East London, South Africa (33%).

Ecology

Coral or rocky reefs in depths of 10 to 100 m. According to van der Elst (1981), E. albomarginatus feeds mainly on spiny lobsters, crabs, and octopus; fishes and squid are also consumed.

Size

Attains at least 100 cm total length and a weight of 13 kg.

Sources

Food and Agriculture Organization of the United Nations, 1993, Heemstra, P.C.; Randall, J.E., FAO species catalogue. Vol. 16. Groupers of the world (Family Serranidae, Subfamily Epinephelinae). An annotated and illustrated catalogue of the grouper, rock cod, hind, coral grouper and lyretail species known to date.
Author: Petr Čech

Links and literature

CH DE EN FR IT NL PR SP FishBase [6005]

Froese R., Pauly D. (eds.): FishBase [http://www.fishbase.org]
CZ AQUATAB. World Wide Web electronic publication [species/8438]

Plíštil J. (Ed.) (2009): AQUATAB. World Wide Web electronic publication [http://aquatab.net] [as Epinephelus albomarginatus Boulenger, 1903]
Data retrieved on: 17 January 2010
EN IUCN Red List of Threatened Species 2018-1 [44677]

IUCN Red List of Threatened Species [http://www.iucnredlist.org/] [as Epinephelus albomarginatus Boulenger, 1903]
Data retrieved on: 3 August 2018
CZ Hanel L., Plíštil J., Novák J. (2011): České názvy živočichů V. Ryby a rybovití obratlovci (Pisces). 7. Paprskoploutví (Actinopterygii) Kostnatí (Neopterygii) [Ropušnicotvaří (Scorpaeniformes) – ostnoploutví (Perciformes) – Percoidei], Národní muzeum (zoologické oddělení), Praha, 148 str. [as Epinephelus albomarginatus Boulenger, 1903]
Data retrieved on: 19 August 2019

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