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Ophidiiformes (Cusk eels) >
Ophidiidae (Cusk-eels) > Neobythitinae
Etymology: Bassozetus: Latin, bassus = thick, fat + Greek, ketos = marine mosnter, whale (Ref. 45335).
Eponymy: Lev Aleksandrovich Zenkevich (1889–1970) was a Russian oceanographer and zoologist. [...] (Ref. 128868), visit book page.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino batipelagico; distribuzione batimetrica 0 - 6930 m (Ref. 58302). Deep-water
North Pacific.
Dimensione / Peso / Età
Maturità: Lm ?  range ? - ? cm
Max length : 26.3 cm SL maschio/sesso non determinato; (Ref. 31384)
Snout inflated; eyes much smaller than snout; opercular spine weak or absent; preopercle without spines and posteriorly expanded almost reaching posterior margin of opercle; pseudobranchial filaments 2 (Ref. 34024).
Rare, deep pelagic species (Ref. 34024). Benthopelagic (Ref. 58302). Oviparous, with oval pelagic eggs floating in a gelatinous mass (Ref. 205). Of the 5 female specimens caught, 2 with 0.5 mm eggs. No identifiable stomach contents were found. Specimen collection used non-closing, pelagic fishing gear (bottom trawls) (Ref. 84269). Minimum depth from Ref. 58018.
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
Machida, Y. and Y. Tachibana, 1986. A new record of Bassozetus zenkevitchi (Ophidiidae, Ophidiiformes) from Japan. Jap. J. Ichthyol. 32(4):437-439. (Ref. 31384)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Pesca: di nessun interesse
Strumenti
Rapporti speciali
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Fonti Internet
Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00380 (0.00166 - 0.00868), b=3.14 (2.94 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Livello trofico (Fonte Biblio. 69278) |
3.6 ±0.6 se; based on size and trophs of closest relatives |
Resilienza (Fonte Biblio. 120179) |
Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.). |
Vulnerabilità della pesca (Ref. 59153) |
Low to moderate vulnerability (31 of 100). 🛈 |