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Perciformes/Cottoidei (Sculpins) >
Liparidae (Snailfishes)
Etymology: Paraliparis: Greek, para = the side of + Greek, liparis = fat (Ref. 45335); nigellus: Name from Latin 'nigellus' meaning blackish, dark (perhaps referring to its color, body color dark blackish brown with bluish tint, head black, belly bluish black).
More on authors: Chernova & Møller.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin bathydémersal; profondeur 1950 - 2107 m (Ref. 79982). Deep-water
Northeast Atlantic: northern Mid-Atlantic Ridge and Azores.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 13.6 cm TL mâle / non sexé; (Ref. 79982)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Rayons mous dorsaux (Total) : 64; Rayons mous anaux: 59; Vertèbres: 73. This species is distinguished by the following characters: D 64, A 59, P 23-25, C 8; vertebrae 73 (12-61); pectoral radials 4 (3+1); simple and uniserial teeth except near jaw symphysis; gill opening shorter than pupil diameter; undeveloped opercular flap; head 16% SL; eye 28% of head length (HL); one symphyseal mandibular pore; pectoral fin with notch rays not rudimentary; interneural of the first dorsal-fin ray between neural spine 6 and 7; anus behind vertical through gill opening; mandible to anus distance almost equal to the length of anus to anal-fin origin; body color dark black-brown, with bluish tint, peritoneum black (Ref. 79982).
Body shape (shape guide): elongated; Cross section: compressed.
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Chernova, N.V. and P.R. Møller, 2008. A new snailfish, Paraliparis nigellus sp. nov. (Scorpaeniformes, Liparidae), from the northern Mid-Atlantic Ridge - with notes on occurrence of Psednos in the area. Mar. Biol. Res. 4:369-375. (Ref. 79982)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: sans intérêt
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 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=0.00525 (0.00238 - 0.01156), b=3.15 (2.96 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Niveau trophique (Réf. 69278) |
3.4 ±0.5 se; based on size and trophs of closest relatives |
Résilience (Réf. 120179) |
Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.). |
Vulnérabilité de la pêche (Ref. 59153) |
Low vulnerability (15 of 100). 🛈 |