Gymnocranius grandoculis, Blue-lined large-eye bream : fisheries

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Gymnocranius grandoculis (Valenciennes, 1830)

Blue-lined large-eye bream
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Gymnocranius grandoculis   AquaMaps   Data sources: GBIF OBIS
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Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa

> Eupercaria/misc (Various families in series Eupercaria) > Lethrinidae (Emperors or scavengers) > Monotaxinae
Etymology: Gymnocranius: Greek, gymnos = naked + Greek, kranion = skull (Ref. 45335).
More on author: Valenciennes.

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

marin récifal; non migrateur; profondeur 20 - 170 m (Ref. 12260). Tropical; 35°N - 28°S, 32°E - 134°W

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

Indo-Pacific: East Africa to southeastern Oceania and from Australia northward to Japan. This species has been referred to as Gymnocranius robinsoni in recent literature.

Taille / Poids / Âge

Maturity: Lm ?  range ? - ? cm
Max length : 80.0 cm TL mâle / non sexé; (Ref. 2295); common length : 64.0 cm SL mâle / non sexé; (Ref. 37816); poids max. publié: 5.5 kg (Ref. 40637)

Description synthétique Morphologie | Morphométrie

Épines dorsales (Total): 10; Rayons mous dorsaux (Total): 10; Épines anales 3; Rayons mous anaux: 10.

Biologie     Glossaire (ex. epibenthic)

Inhabits offshore reefs (Ref. 9710), trawling grounds of the continental shelves and offshore rocky bottoms (Ref. 30573). Juveniles inshore on muddy substrates (Ref. 48635). Solitary or in small groups (Ref. 90102). Feeds mostly on bottom invertebrates and small fishes (Ref. 30573). Potential commercial fish if sufficient stocks can be located (Ref. 9775). Marketed fresh (Ref. 9775); sometimes with a strong and unpleasant flavor (Ref. 11888).

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

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

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)

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

  Préoccupation mineure (LC) ; Date assessed: 09 March 2015

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless





Utilisations par l'homme

Pêcheries: intérêt commercial mineur
FAO - Publication: search | FishSource | Sea Around Us

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Noms communs
Synonymes
Métabolisme
Prédateurs
Écotoxicologie
Reproduction
Maturité
Frai
Rassemblement de ponte
Fécondité
Œufs
Développement de l'œuf
Taille/Âge
Croissance
Longueur-poids
Longueur-longueur
Fréquences de longueurs
Morphométrie
Morphologie
Larves
Dynamique des populations larvaires
Recrutement
Abondance
BRUVS
Références
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Génétique
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Estimates based on models

Preferred temperature (Ref. 123201): 21.6 - 28.3, mean 26.8 °C (based on 971 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5010   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02042 (0.01172 - 0.03557), b=2.88 (2.73 - 3.03), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Niveau trophique (Ref. 69278):  3.8   ±0.0 se; based on diet studies.
Generation time: 4.8 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
Résilience (Ref. 120179):  Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (K=0.23).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (42 of 100).
Catégorie de prix (Ref. 80766):   High.
Nutrients (Ref. 124155):  Calcium = 24.1 [12.4, 44.5] mg/100g; Iron = 0.444 [0.237, 0.745] mg/100g; Protein = 19.7 [17.7, 21.7] %; Omega3 = 0.133 [0.079, 0.191] g/100g; Selenium = 49.7 [31.1, 84.0] μg/100g; VitaminA = 47.9 [15.7, 134.6] μg/100g; Zinc = 0.876 [0.633, 1.196] mg/100g (wet weight);