Classification / Noms
Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa
>
Perciformes/Zoarcoidei (Eelpouts and pricklebacks) >
Zoarcidae (Eelpouts) > Lycodinae
Etymology: Bothrocara: Greek, bostrykos = cure of lack of hair + Tupí, guaraní, acará = the name of a fish. It could be also from Greek, kara = face (Ref. 45335); nyx: Named for the Greek goddess of night and darkness; noun in apposition. It alludes ot the dark conditions prevalent in the deep waters and northern latitudes where this species occurs, and to the heavily pigmented lining of the mouth and visceral cavity.
Eponymy: Nyx was the goddess of night and darkness in Greek mythology. [...] (Ref. 128868), visit book page.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin bathypélagique; profondeur 790 - 1508 m (Ref. 56148). Temperate
Northeast Pacific: Eastern Bering Sea.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 21.7 cm SL mâle / non sexé; (Ref. 56148)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Rayons mous dorsaux (Total) : 103 - 112; Rayons mous anaux: 89 - 99; Vertèbres: 108 - 116. Diagnosis: Vertebrae 17 - 19 + 90 - 98 = 108 - 116. Pectoral fin rays 12 - 15. Vomerine teeth 0 - 3. Gill rakers moderately long, 23 - 27. Short snout, less than eye-diameter. Median occipital pore present. Lateral line is not visible on the body. Interior of mouth darkly pigmented (Ref. 56148).
Body shape (shape guide): eel-like; Cross section: compressed.
Known from the upper continental slope (Ref. 56148).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Stevenson, D.E. and M.E. Anderson, 2005. Bothrocara nyx: a new species of eelpout (Perciformes: Zoarcidae) from the Bering Sea. Zootaxa 1094:53-64. (Ref. 56148)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimations basées sur des modèles
Température préférée (Réf.
123201): 2.7 - 3.1, mean 3 °C (based on 8 cells).
Indice de diversité phylogénétique (Réf.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00120 (0.00057 - 0.00253), b=3.10 (2.91 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Réf.
69278): 3.4 ±0.4 se; based on size and trophs of closest relatives
Résilience (Réf.
120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (Preliminary K or Fecundity.).
Vulnérabilité de la pêche (Ref.
59153): Low vulnerability (16 of 100).
🛈