Actinopterygii (ray-finned fishes) > Ophidiiformes
(Cusk eels) > Bythitidae
(Livebearing brotulas) > Bythitinae
Etymology: Cataetyx: Greek, kata = down + Greek, etix, stixo, stizo = to prick, to puncture.
Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; depth range 500 - 2400 m (Ref. 34024). Deep-water; 64°N - 36°S, 29°W - 35°E
Eastern Atlantic: scattered localities around the British Isles, Azores and France, along the coast of West Africa to the Cape of Good Hope; also recorded from the western Mediterranean. Reported from Iceland (Ref. 12462). Reported from the Gulf of Mexico (Ref. 37039).
Length at first maturity / Size / Weight / Age
Maturity: Lm ?, range 30 - 40 cm
Max length : 65.0 cm TL male/unsexed; (Ref. 37039)
Uncommon bathydemersal or benthopelagic species (Ref. 34024). Viviparous (Ref. 4758).
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. 123251)
CITES (Ref. 118484)
Threat to humans
Fisheries: of no interest
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 3.7 - 13.2, mean 6.5 °C (based on 300 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.8 ±0.5 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): High vulnerability (56 of 100) .