Gymnocranius elongatus  Senta, 1973

Forktail large-eye bream
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Gymnocranius elongatus   AquaMaps   Data sources: GBIF OBIS
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Image of Gymnocranius elongatus (Forktail large-eye bream)
Gymnocranius elongatus
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Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Lethrinidae (Emperors or scavengers) > Monotaxinae
Etymology: Gymnocranius: Greek, gymnos = naked + Greek, kranion = skull (Ref. 45335).

Environment / Climate / Range Ecology

Marine; demersal; non-migratory; depth range 50 - 100 m (Ref. 2295).   Tropical; 35°N - 25°S

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 35.0 cm TL male/unsexed; (Ref. 2295); common length : 25.0 cm TL male/unsexed; (Ref. 2295)

Short description Morphology | Morphometrics

Dorsal spines (total): 10; Dorsal soft rays (total): 10; Anal spines: 3; Anal soft rays: 10. Lower edge of eye is intersected by line from snout tip to the middle of the caudal fin fork. Eye diameter usually about equal to the length of the snout. The interorbital space is convex and about equal to eye diameter. The inner surface of the pectoral fin axil is scaleless. Overall color is silver, sometimes slightly brown dorsally, with about eight transverse brown bars on the sides, the first crossing through the eye, the remainder below the dorsal fin and across the caudal peduncle. Scattered blotches and speckling is sometimes evident on sides. Fins are clear to yellow-orange with caudal margins and tips often deep red.

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions | Faunafri

Indo-West Pacific: east Africa and Seychelles to the Solomon Islands, north to southern Japan, south to northern Australia.

Biology     Glossary (e.g. epibenthic)

Inhabits sandy or low-relief rocky bottoms (Ref. 11228). Feeds on bottom-living invertebrates. Marketed fresh (Ref. 9775).

Main reference Upload your references | References | Coordinator | Collaborators

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.

IUCN Red List Status (Ref. 90363)

  Not Evaluated 

Threat to humans

  Harmless




Human uses

Fisheries: minor commercial
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Internet sources

BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | National databases | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on empirical models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5039   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01532 (-0.15395 - 0.18459), b=2.98 (2.89 - 3.07), based on LWR estimates for this family-BS (Ref. 93245).
Trophic Level (Ref. 69278):  3.4   ±0.41 se; Based on food items.
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Low to moderate vulnerability (32 of 100) .
Price category (Ref. 80766):   High.