Actinopteri (ray-finned fishes) > Ophidiiformes
(Cusk eels) > Ophidiidae
(Cusk-eels) > Neobythitinae
Etymology: Abyssobrotula: Greek, abyssos, deep, depth + Latin, brotula = little bud, shoot (Ref. 45335). More on author: Nielsen.
Environment: milieu / climate zone / depth range / distribution range
Marine; bathypelagic; depth range 3110 - 8370 m (Ref. 3686). Deep-water; 60°N - 60°S, 180°E - 180°E
In deep waters of tropical and subtropical areas of all oceans. 3 specimens from the Gulf of Guinea (Ref. 3686).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 16.5 cm SL male/unsexed; (Ref. 3686)
Morphology | Morphometrics
Head short with downward inflection. Snout swollen. Eyes small. Poorly developed opercular spine. Anterior gill arch with 8-11 developed gill rakers. Precaudal vertebrae 18-21.
Uncommon species (Ref. 34024). Reproductive strategy possibly similar to other members of this family being 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., 1990. Ophidiidae. p. 564-573. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 3686)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 123416)
Threat to humans
Fisheries: of no interest
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 0.7 - 2.4, mean 1.4 °C (based on 34031 cells).
Phylogenetic diversity index (Ref. 82805
= 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00380 (0.00157 - 0.00921), b=3.14 (2.92 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.5 ±0.6 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tmax>3).
Vulnerability (Ref. 59153
): Low vulnerability (23 of 100) .