Actinopterygii (ray-finned fishes) > Ophidiiformes
(Cusk eels) > Aphyonidae
(Blind cusk eels)
Etymology: Nybelinella: Because of Nybelin, a Swedish botanist, expert in fishes and fungus.
Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; depth range 4640 - 5440 m (Ref. 34024). Deep-water; 45°N - 27°S
Eastern Atlantic: between 42°38.5'N, 13°31'W and 42°42'N, 13°28'W (Ref. 7408), holotype from 1°03'N, 18°40'W. Western Atlantic: off the Bahamas.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 8.0 cm TL male/unsexed; (Ref. 6527)
Rare species (Ref. 34024). Viviparous (Ref. 6527).
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. 119314)
CITES (Ref. 115941)
Threat to humans
Fisheries: of no interest
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 2 - 2.5, mean 2.3 (based on 969 cells).
Phylogenetic diversity index (Ref. 82805
= 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00102 (0.00046 - 0.00225), b=3.06 (2.88 - 3.24), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.3 ±0.5 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .