Epinephelus ongus, White-streaked grouper : fisheries

Epinephelus ongus (Bloch, 1790)

White-streaked grouper
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Epinephelus ongus   AquaMaps   Data sources: GBIF OBIS
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Image of Epinephelus ongus (White-streaked grouper)
Epinephelus ongus
Afbeelding van Randall, J.E.

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> Perciformes/Serranoidei (Groupers) > Epinephelidae (Groupers)
Etymology: Epinephelus: Greek, epinephelos = cloudy (Ref. 45335).
More on author: Bloch.

Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied Ecologie

marien; brak water rifbewoner; standvastig (Ref. 130262); diepte 20 - 60 m (Ref. 89707). Tropical; 36°N - 27°S, 31°E - 179°W (Ref. 5222)

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Indo-West Pacific: East Africa to the Ryukyu Islands, Marshall Islands, Fiji, New Caledonia, and northern Australia. Recently recorded from Tonga (Ref. 53797). Reported from Somalia and India by Heemstra & Randall in 1984 but valid records and specimens have not been found (Ref. 4787). Closely related to Epinephelus summana known only from the Red Sea.

Lengte bij maturiteit / Grootte / Gewicht / Leeftijd

Maturiteit: Lm ?, range 16 - ? cm
Max length : 40.0 cm TL mannelijk / geslacht onbekend; (Ref. 27362)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale stekels (totaal) : 11; Dorsale zachte stralen (totaal) : 14 - 16; Anale stekels: 3; Anale zachte stralen: 8. This species is distinguished by the following characters: body depth 2.7-3.2 in SL; head length 2.3-2.5 in SL; head pointed, flat interorbital area, dorsal head profile slightly convex; preopercle rounded, serrae small and mostly covered by skin; upper edge of operculum strongly convex, the rear edge almost vertical, the upper spine extending posterior to lower spine; rear nostril diameter about twice that of anterior nostril; small, embedded scales on maxilla; 2-4 rows of small teeth at midlateral part of lower jaw; canines at front of jaws small or absent; gill rakers of first gill arch 8-10 + 15-18 (including 6 to 8 rudiments on each limb); caudal fin rounded; pectoral fins large and fleshy, with 15-17 rays, the fin length 1.4-1.7 in HL; short pelvic fins, 1.9-2.4 in HL; lateral-line scales 48-53; lateral scale series 95-110. Colour of body brown, with numerous small white spots (in specimens >10 cm SL), horizontally elongate and tend to form wavy white lines in adults, several round or irregular pale blotches (eye-sized or larger) usually superimposed over small white spots, head brown, with numerous small white spots dorsally behind eyes; black maxillary streak usually hidden by maxilla, median fins with small white spots and streaks, the posterior margin blackish with a white edge, paired fins are greyish brown; juveniles of about 6 cm SL are brown, covered with small, dark-edged white spots which are round, except on front part of dorsal fin where they are elongated; white spots on paired fins become fewer and fainter with growth, and are absent in adults (Ref. 39231, 89707, 90102).
Body shape (shape guide): fusiform / normal; Cross section: compressed.

Biologie     Verklarende woordenlijst (bv. epibenthic)

Adults inhabit inner coastal and lagoon reefs, also found in brackish waters in ledges and caves (Ref. 5213). Adults usually found deeper than 20 m (Ref. 48635). Solitary (Ref 90102). They feed on crustaceans and small fishes (Ref. 89707). Are cryptic species which are not very common, but of some interest to fisheries in Japan (and probably elsewhere). Caught with hook-and-line, spear, and traps (Ref. 39231).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

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Heemstra, P.C. and J.E. Randall, 1993. FAO Species Catalogue. Vol. 16. Groupers of the world (family Serranidae, subfamily Epinephelinae). An annotated and illustrated catalogue of the grouper, rockcod, hind, coral grouper and lyretail species known to date. Rome: FAO. FAO Fish. Synop. 125(16):382 p. (Ref. 5222)

Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))

  Niet bedreigd (LC) ; Date assessed: 22 November 2016

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

Visserij: van minder commercieel belang
FAO - Publication: search | FishSource |

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Schattingen op basis van modellen

Fylogenetische diversiteitsindex
(Ref. 82804) 		PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight a=0.01148 (0.01005 - 0.01312), b=3.04 (3.02 - 3.06), in cm total length, based on LWR estimates for this species (Ref. 93245).
Trofisch niveau
(Ref. 69278) 		4.0   ±0.66 se; based on food items.
Generation time 3.3 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
Weerstandsvermogen
(Ref. 120179) 		laag, minimale populatieverdubbelingstijd 4,5-14 jaar (K=0.3; tmax=20; tm=3;).
Kwetsbaarheid van de visserij
(Ref. 59153) 		Low to moderate vulnerability (33 of 100). 🛈
Prijsklasse
(Ref. 80766) 		Very high.
Voedingsstoffen
(Ref. 124155) 		Calcium = 34.8 [15.3, 69.1] mg/100g; Iron = 0.518 [0.272, 1.055] mg/100g; Protein = 18.8 [17.3, 20.3] %; Omega3 = 0.145 [0.089, 0.233] g/100g; Selenium = 30.7 [17.2, 57.6] μg/100g; VitaminA = 189 [46, 791] μg/100g; Zinc = 1.53 [1.03, 2.15] mg/100g (wet weight);