Epinephelus polystigma, White-dotted grouper : fisheries

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Epinephelus polystigma (Bleeker, 1853)

White-dotted grouper
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Image of Epinephelus polystigma (White-dotted grouper)
Epinephelus polystigma
Picture by Randall, J.E.

Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa

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

Environment: milieu / climate zone / depth range / distribution range Écologie

; eau douce; saumâtre démersal. Tropical; 20°N - 16°S, 99°E - 164°E (Ref. 5222)

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Asia and Oceania: Andaman Is., Indonesia, Philippines, Papua New Guinea, New Ireland, Australia and the Solomon Islands.

Taille / Poids / Âge

Maturity: Lm ?  range ? - ? cm
Max length : 48.0 cm TL mâle / non sexé; (Ref. 89707)

Description synthétique Morphologie | Morphométrie

Épines dorsales (Total): 11; Rayons mous dorsaux (Total): 15-16; Épines anales 3; Rayons mous anaux: 8. Distinguished by the following characteristics: dark brown to nearly blackish color; fins with small white to yellowish-white dots; weakly ctenoid scales on body except cycloid anteriorly above lateral line, on thorax and abdomen; body with auxiliary scales; greatest depth of body 2.6-3.0 in SL; rounded caudal fin; pelvic fins, 1.9-2.2 in head length (Ref. 90102); head length 2.3-2.7 times in SL; flat interorbital area; short snout, length subequal to eye diameter; preorbital depth less than greatest width of upper lip; rounded preopercle, finely serrate, serrae at angle slightly enlarged; upper edge of operculum mostly enlarged; funnel-shaped anterior nostrils, rear margin expanded as a flap reaching posterior nostril; posterior nostril diameter 2-4 times larger than anterior nostril diameter; maxilla reaches past vertical at rear edge of eye, lower edge with rounded step at front of widest part; 2-3 rows of small subequal teeth on midlateral part of lower jaw; presence of 2 short stout canines at front of both jaws; pyloric caeca 8 (Ref. 89707).

Biologie     Glossaire (ex. epibenthic)

Found in estuaries (Ref. 75154). Usual habitat seems to be mangrove areas (Ref. 5222). Benthic (Ref. 75154). Forms large aggregations in shallow waters of river mouths and brackish mangrove regions throughout the year, prior to new moon (Ref. 89707).

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

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)

Statut dans la liste rouge de l'IUCN (Ref. 130435)

  Préoccupation mineure (LC) ; Date assessed: 22 November 2016

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless





Utilisations par l'homme

Pêcheries: pêcheries vivrières
FAO - Publication: search | FishSource |

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Sources Internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | FishWatcher | CISTI | Catalog of Fishes: Genre, Espèce | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: génôme, nucléotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Arbre de Vie | Wikipedia: aller à, chercher | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01175 (0.00571 - 0.02419), b=3.04 (2.88 - 3.20), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Niveau trophique (Ref. 69278):  3.8   ±0.5 se; based on size and trophs of closest relatives
Résilience (Ref. 120179):  Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (38 of 100).
Catégorie de prix (Ref. 80766):   Very high.