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Perciformes/Cottoidei (Sculpins) >
Liparidae (Snailfishes)
Etymology: Psednos: Greek, psednos, -e, -on = rare (Ref. 45335); groenlandicus: The name groenlandicus refers to Greenland, its type locality (Ref. 42989).
More on author: Chernova.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin bathydémersal; profondeur 930 - 1055 m (Ref. 42989). Deep-water; 65°N - 63°N
Northwest Atlantic: Davis Strait.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 5.3 cm SL mâle / non sexé; (Ref. 42989)
Rayons mous dorsaux (Total) : 41; Vertèbres: 47. No coronal pore, 6 preoperculo-mandibular pores and 1 suprabranchial pore; short mouth cleft (reaching to below anterior margin of eye), upper jaw short 10.6-12.6% SL); vertical gill slit about equal to eye diameter and placed low, pectoral notch with usually 2 rays, and with slight blackish pigmentation at end of caudal part of body and along vertebrae.
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Chernova, N., 2001. A review of the genus Psednos (Pisces, Liparidae) with description of ten new species from the north Atlantic and southwestern Indian Ocean. Bull. Mus. Comp. Zool. 155(10):477-507. (Ref. 42989)
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
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00525 (0.00237 - 0.01161), 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): 3.2 ±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 (10 of 100).
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