Actinopterygii (ray-finned fishes) > Ophidiiformes
(Cusk eels) > Ophidiidae
(Cusk-eels) > Neobythitinae
Etymology: Homostolus: Greek, homostolos, -os, -on = wear the same (Composed from omos = equal + stello, stole = wear) (Ref. 45335). More on authors: Smith & Radcliffe.
Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; depth range 300 - 1000 m (Ref. 34024). Deep-water
Western Pacific: off Japan to off Australia and New Caledonia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 18.4 cm SL male/unsexed; (Ref. 6225)
Rather elongate body with pointed head; eye diameter equal to or longer than snout; jaw teeth granular in narrow bands; opercular spine sharp and straight; 1-3 sharp spines on lower margin of preopercle; median basibranchial tooth patch 1; developed rakers on anterior gill arch 27-42; pectoral fins low on the body; each pelvic fin with 1 ray longer than head; precaudal vertebrae 13.
Benthopelagic at bathyal depth (Ref. 56809). Found on the continental slope (Ref. 75154). Common species (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. 118484)
Threat to humans
Fisheries: minor commercial
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 2.1 - 12, mean 8.4 (based on 447 cells).
Phylogenetic diversity index (Ref. 82805
= 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00417 (0.00163 - 0.01066), b=3.12 (2.89 - 3.35), 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 to moderate vulnerability (25 of 100) .