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Teleostei (teleosts) > Anguilliformes (Eels and morays) > Muraenidae (Moray eels) > Muraeninae
Etymology: Gymnothorax: Greek, gymnos = naked + Greek, thorax, -akos = breast (Ref. 45335).
More on author: Lacepède.

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

Marine; reef-associated; depth range 1 - 40 m (Ref. 30573). Tropical

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

Western Indian Ocean: throughout the area, including the Red Sea.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 65.0 cm TL male/unsexed; (Ref. 9710)

Short description Identification keys | Morphology | Morphometrics

Head brownish with conspicuous lines of black dots (Ref. 3257). Body lilac with brown marbling (Ref. 3257).

Found in shallow coastal waters, on coral and rocky reefs (Ref. 30573). Simultaneous hermaphroditism is confirmed for this species (Ref. 103751).

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

Simultaneous hermaphroditism is confirmed using good diagnostic criteria (Ref. 103751).

Main reference Upload your references | References | Coordinator | Collaborators

Böhlke, E.B. and J.E. Randall, 1999. Gymnothorax castlei, a new species of Indo-Pacific moray eel (Anguilliformes: Muraenidae). Raffles Bull. Zool. 47(2):549-554. (Ref. 35991)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 17 August 2011

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries: minor commercial

FAO - Publication: search | FishSource |

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Estimates based on models

Preferred temperature (Ref. 123201): 24.6 - 29.3, mean 27.3 °C (based on 182 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00047 (0.00025 - 0.00089), b=3.28 (3.13 - 3.43), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).

Trophic level (Ref. 69278): 4.0 ±0.6 se; based on size and trophs of closest relatives

Resilience (Ref. 120179): Medium, minimum population doubling time 1.4 - 4.4 years (Fec = 8,000-12,000).

Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (46 of 100).

Price category (Ref. 80766): Medium.

Nutrients (Ref. 124155): Calcium = 36 [20, 67] mg/100g; Iron = 0.462 [0.279, 0.977] mg/100g; Protein = 18.8 [16.5, 21.3] %; Omega3 = 0.11 [0.05, 0.31] g/100g; Selenium = 38.1 [21.2, 75.7] μg/100g; VitaminA = 73.4 [22.6, 225.2] μg/100g; Zinc = 0.972 [0.691, 1.341] mg/100g (wet weight);

Gymnothorax griseus (Lacepède, 1803)