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Actinopterygii (ray-finned fishes) > Anguilliformes (Eels and morays) > Congridae (Conger and garden eels) > Congrinae
Etymology: Conger: Latin, conger = conger (Ref. 45335). More on author: Rüppell.

Environment / Climate / Range Ecology

Marine; brackish; reef-associated; depth range 1 - 80 m (Ref. 9710). Tropical; 32°N - 47°S, 24°E - 140°W

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 140 cm TL male/unsexed; (Ref. 90102); common length : 50.0 cm TL male/unsexed; (Ref. 11039)

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Anal spines: 0; Vertebrae: 139 - 146. Brownish grey, yellow below and on fins, median fins with narrow black edge, black patch on lower rear edge of eye and on pectorals (Ref. 5323). Flanges on upper and lower lips well developed; 2 rows of teeth in jaws, those of outer row larger; closely set and compressed to form cutting edge; 6th infraorbital pore located close behind and slightly above posterior angle of jaw. Dorsal fin begins over middle of appressed pectoral fin (Ref. 11039, refer to key for other characters). Assumes a pattern of broad dark bands at night. (see also Ref. 4538, 1602).

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

Indo-Pacific: Red Sea and East Africa to the Marquesan and Easter islands, north to southern Japan and the Ogasawara Islands, south to northern Australia and Lord Howe Island (Ref. 33390). The Hawaiian population has been recognized as a separate subspecies, Conger cinereus marginatus. Whether the species is homogeneous over the rest of its range needs further study.

Solitary species common on reef flats and seagrass beds of shallow lagoons but ranges to depths of 80 m on outer reef slopes (Ref. 1602). Also found in estuaries (Ref. 5213). Benthic (Ref. 58302). Feeds on fish and crustaceans at night, assuming a pattern of broad dark grey bars (Ref. 11441).

Main reference Upload your references | References | Coordinator | Collaborators

Smith, D.G., 1999. Congridae. Conger eels. p. 1680-1686. In K.E. Carpenter and V.H. Niem (eds.) FAO species identification guide for fishery purposes. The living marine resources of the WCP. Vol. 3. Batoid fishes, chimaeras and bony fishes part 1 (Elopidae to Linophrynidae). FAO, Rome.

IUCN Red List Status (Ref. 90363)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries: commercial; gamefish: yes; aquarium: commercial

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Estimates of some properties based on empirical models

Phylogenetic diversity index (Ref. 82805): PD₅₀ = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00072 (-0.13426 - 0.13569), b=3.15 (3.07 - 3.24), based on LWR estimates for species & family-BS (Ref. 93245).

Trophic Level (Ref. 69278): 4.4 ±0.8 se; Based on diet studies.

Resilience (Ref. 69278): Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.).

Vulnerability (Ref. 59153): High to very high vulnerability (70 of 100) .

Price category (Ref. 80766): Medium.

Conger cinereus Rüppell, 1830