Gymnocranius grandoculis (Valenciennes, 1830)

Blue-lined large-eye bream

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Perciformes \| Lethrinidae \| Monotaxinae
Synonyms	Cantharus grandoculis, Dentex lethrinoides, Dentex rivulatus, ... more
Common names	Empereur tatoué, Blue-lined large eye bream, Robinson's seabream, ... more

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Image of Gymnocranius grandoculis (Blue-lined large-eye bream)

Picture by Randall, J.E.

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This map was computer-generated and has not yet been reviewed.

AquaMaps Data sources: GBIF OBIS

Main reference

Carpenter, K.E. and G.R. Allen. 1989. (Ref. 2295)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 80.0 cm TL male/unsexed; (Ref. 2295); common length : 64.0 cm SL male/unsexed; (Ref. 37816); max. published weight: 5,500 g (Ref. 40637)

Environment

Reef-associated; non-migratory; marine; depth range 20 - 170 m (Ref. 12260)

Climate / Range

Tropical; 35°N - 30°S

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.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 10; Dorsal soft rays (total): 10; Anal spines: 3; Anal soft rays: 10. Horizontal blue lines on the snout are distinctive (Ref. 37816, 48635). Forehead profile is moderately steep. Large adults develop a bony ridge on the nape and a bony shelf over the front part of the eye. The inner surface of the pectoral fin axil without scales. Overall color is silvery with thin brown scale margins. The anterior half of the head is often brown with a series of narrow undulating, longitudinal lines on the cheek and side of the snout. Fins are yellow or orange; caudal fin is frequently dusky brown; a narrow brown bar across the base of pectoral fins. Juveniles under about 25 cm SL often with 5 or 6 dark bars on the side and a dark bar below the eye.

Inhabits offshore reefs (Ref. 9710), trawling grounds of the continental shelves and offshore rocky bottoms (Ref. 30573). Juveniles inshore on muddy substrates (Ref. 48635). 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).


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless

Human uses
Fisheries: minor commercial


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment Abundance	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

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Internet sources

Estimation of some characteristics with mathematical models

Phylogenetic diversity index (Ref. 82805)

PD₅₀ = 0.5078

Resilience (Ref. 69278)

Medium, minimum population doubling time 1.4 - 4.4 years (K=0.23)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Moderate vulnerability (42 of 100)	High

Entered by Luna, Susan M.

Modified by Santos, Kristine

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