Actinopteri (ray-finned fishes) > Ophidiiformes
(Cusk eels) > Ophidiidae
(Cusk-eels) > Neobythitinae
Etymology: Alcockia: From Albert Alcock, 1891, edited the research campaigne carried out by the ship Investigator in Bengal and Calcute (Ref. 45335).
More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
Marine; bathypelagic; depth range 2761 - 4040 m (Ref. 34024). Deep-water
Indo-Pacific: East Africa to Japan and New Caledonia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 35.0 cm SL male/unsexed; (Ref. 34024)
Morphology | Morphometrics
Elongated body with depressed head bearing sharp spines; eye diameter much shorter than snout; suborbital bones membranous; maxillary sheathed posterodorsally; opercular spine flat and weak; 7 developed rakers on anterior gill arch.
Rare species (Ref. 34024). Minimum depth reported by Ref. 30370. 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. 125652)
Threat to humans
Fisheries: of no interest
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 123201
): 1.1 - 2.1, mean 1.7 °C (based on 1718 cells).
Phylogenetic diversity index (Ref. 82804
= 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00110 (0.00040 - 0.00299), b=3.08 (2.85 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.6 ±0.6 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153
): Low to moderate vulnerability (33 of 100).