Gymnocranius griseus, Grey large-eye bream : fisheries, gamefish

Gymnocranius griseus (Temminck & Schlegel, 1843)

Grey large-eye bream
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This map was computer-generated and has not yet been reviewed.
Gymnocranius griseus   AquaMaps   Data sources: GBIF OBIS
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> Eupercaria/misc (Various families in series Eupercaria) > Lethrinidae (Emperors or scavengers) > Monotaxinae
Etymology: Gymnocranius: Greek, gymnos = naked + Greek, kranion = skull (Ref. 45335).  More on authors: Temminck & Schlegel.

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

; marien rifbewoner; standvastig; diepteverspreiding 15 - 80 m (Ref. 2295).   Tropical; 35°N - 9°S

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Indo-West Pacific: southern Japan to the Indo-Malaysian region, probably eastward to India. Has often been confused w/ the young of Gymnocranius grandoculis, hence its distributional limits are somewhat obscure. Records of Gymnocranius griseus from the Western Indian Ocean probably pertain to Gymnocranius grandoculis.

Size / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 35.0 cm TL mannelijk/geslacht niet bekend; (Ref. 2295); common length : 25.0 cm TL mannelijk/geslacht niet bekend; (Ref. 2295)

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 10; Dorsale zachte stralen (totaal): 9-10; Anale stekels 3; Anale zachte stralen: 9 - 10.

Biologie     Verklarende woordenlijst (b.v. epibenthic)

In sheltered coastal bays and sand and mud slopes in depths over 20 m (Ref. 48635); also in coastal trawling grounds. Juveniles sometimes in shallow estuaries on algae reefs (Ref. 48635). Sometimes forms schools. Feeds on bottom-living invertebrates. Sexually mature upon reaching 15-17 cm SL. Sometimes caught with handlines and marketed dried (Ref. 9775) or fresh. In Hong Kong live fish markets (Ref. 27253).

Life cycle and mating behavior Geslachtsrijpheid | Voortplanting | Kuitschieten | Eieren | Fecundity | Larven

Voornaamste referentie Upload your references | Referenties | Coördinator | Medewerkers

Carpenter, K.E. and G.R. Allen, 1989. FAO Species Catalogue. Vol. 9. Emperor fishes and large-eye breams of the world (family Lethrinidae). An annotated and illustrated catalogue of lethrinid species known to date. FAO Fish. Synop. 125(9):118 p. Rome: FAO. (Ref. 2295)

Status op de Rode Lijst van het IUCN (Ref. 123251)

  Niet bedreigd (LC) ; Date assessed: 09 March 2015

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaarlijk voor mensen

  Harmless





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Estimates based on models

Preferred temperature (Ref. 115969): 24.2 - 28.8, mean 28.1 °C (based on 445 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5010   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01778 (0.00754 - 0.04192), b=2.97 (2.78 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.2   ±0.44 se; based on food items.
Generation time: 5.0 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
Weerstandsvermogen (Ref. 120179):  Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (K=0.22).
Kwetsbaarheid (Ref. 59153):  Moderate vulnerability (38 of 100) .
Prijsklasse (Ref. 80766):   High.
Nutrients (Ref. 124155):  Calcium = 44.3 [25.8, 77.5] mg/100g ; Iron = 0.539 [0.335, 0.850] mg/100g ; Protein = 19.6 [17.6, 21.4] % ; Omega3 = 0.126 [0.075, 0.187] g/100g ; Selenium = 35.7 [21.1, 57.5] μg/100g ; VitaminA = 71.3 [20.8, 201.0] μg/100g ; Zinc = 1.27 [0.85, 1.79] mg/100g (wet weight);