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Perciformes/Cottoidei (Sculpins) >
Liparidae (Snailfishes)
Etymology: Psednos: Greek, psednos, -e, -on = rare (Ref. 45335); whitleyi: Named for Gilbert P. Whitley (1903-1975), well known Australian ichthyologist, formerly Curator of the fish collection in the Australian Museum, Sydney..
More on authors: Stein, Chernova & Andriashev.
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin bathydémersal; profondeur ? - 920 m (Ref. 42734). Deep-water
Eastern Indian Ocean: off northwest Tasmania, Australia.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 9.1 cm SL mâle / non sexé; (Ref. 42734)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 48; Épines anales: 0; Rayons mous anaux: 41; Vertèbres: 56. Caudal-fin rays 6; 3 pectoral radials, two upper radials notched, a large fenestra between them; depth at occiput 106% HL; gill opening extending ventrally in front of 4-5 pectoral-fin rays; opercular lobe small but distinct, protruding as a right angle; tongue light dusky; orobranchial cavity dusky, black-dotted; peritoneum and stomach black, anterior part of intestine dark brown to black; pyloric caeca short, similar in length, 3.5-4.5% SL, all dark-dotted; gill arches without melanophores (Ref. 42734).
Found on the continental slope. Benthic (Ref. 75154).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
Stein, D.L., N.V. Chernova and A.P. Andriashev, 2001. Snailfishes (Pisces: Liparidae) of Australia, including descriptions of thirty new species. Rec. Aust. Mus. 53:341-406. (Ref. 42734)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).