Actinopterygii (ray-finned fishes) > Ophidiiformes
(Cusk eels) > Ophidiidae
(Cusk-eels) > Ophidiinae
Etymology: Genypterus: Greek, geny, -yos = face, jaw + Greek, pteron, = wing, fin (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal. Tropical; 4°S - 22°S, 82°W - 71°W (Ref. 34024)
Southeast Pacific: Peru to northern Chile.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 100.0 cm TL male/unsexed; (Ref. 55763); common length : 50.0 cm TL male/unsexed; (Ref. 55763)
Common species found in rocky shelf and upper slope waters (Ref. 34024). Oviparous, with oval pelagic eggs floating in a gelatinous mass (Ref. 205).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Nielsen, J.G., D.M. Cohen, D.F. Markle and C.R. Robins, 1999. Ophidiiform fishes of the world (Order Ophidiiformes). An annotated and illustrated catalogue of pearlfishes, cusk-eels, brotulas and other ophidiiform fishes known to date. FAO Fish. Synop. 125(18):178p. Rome: FAO. (Ref. 34024)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 7.9 - 11.1, mean 9.5 (based on 14 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00275 (0.00131 - 0.00577), b=3.16 (2.98 - 3.34), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 4.0 ±0.7 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tm<4).
Vulnerability (Ref. 59153
): High vulnerability (58 of 100) .