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> Perciformes/Cottoidei (Sculpins) > Liparidae (Snailfishes)
Etymology: Psednos: Greek, psednos, -e, -on = rare (Ref. 45335); cathetostomus: Named for the almost vertical angle of the lower jaw and mouth..
More on authors: Chernova & Stein.

Environment: milieu / climate zone / depth range / distribution range Écologie

marin bathydémersal; profondeur 309 - 2030 m (Ref. 58018). Deep-water

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Eastern Pacific: Mexico and USA.

Taille / Poids / Âge

Maturity: L_m ? range ? - ? cm
Max length : 4.3 cm SL mâle / non sexé; (Ref. 43481)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Rayons mous dorsaux (Total) : 38; Vertèbres: 42 - 43. Body pale, stomach partly pigmented; cardiac region dark, blackish brown. Coronal pore present. Gill opening insertion low, its dorsal end on horizontal with mid-suborbital space. Gill rakers unmodified. Pyloric caeca padlike, pale like the pyloric region (Ref. 43481).

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Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Chernova, N.V. and D.L. Stein, 2002. Ten new species of Psednos (Pisces, Scorpaeniformes: Liparidae) from the Pacific and North Atlantic oceans. Copeia 2002(3):755-778. (Ref. 43481)

Statut dans la liste rouge de l'IUCN (Ref. 130435)

Non évalué

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

Harmless

Utilisations par l'homme

FAO - Publication: search | FishSource |

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Trophic ecology
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Estimates based on models

Preferred temperature (Ref. 123201): 2.1 - 2.4, mean 2.2 °C (based on 20 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 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): 3.2 ±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).

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Psednos cathetostomus Chernova & Stein, 2002