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> Perciformes/Cottoidei (Sculpins) > Liparidae (Snailfishes)
Etymology: Psednos: Greek, psednos, -e, -on = rare (Ref. 45335); andriashevi: Named for Anatole P. Andriashev, who made the definitive morphologic study of genus Psednos (Ref. 42989).
Eponymy: Professor Dr Anatoly Petrovich Andriyashev (1910–2009) was a Russian marine biologist. [...] (Ref. 128868), visit book page.
More on author: Chernova.

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

seewasser bathypelagisch; tiefenbereich ? - 800 m (Ref. 42989). Deep-water

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Northeast Atlantic: west of Ireland. High Seas only.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 5.3 cm SL Männchen/unbestimmt; (Ref. 42989)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenweichstrahlen (insgesamt) : 42; Wirbelzahl: 47. No coronal pore, 7 preoperculo-mandibular pores. Head large (27% SL), and very compressed (40% HL); gill slit large (1.3 eye diameter), opercular flap long, wing-like, reaching behind midpectoral length and level with pupil. Pectoral fin short (45% HL), with two notch rays.

Known only from the holotype collected from midwater (Ref. 42989). Minimum depth from Ref. 58018.

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

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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)

IUCN Rote Liste Status (Ref. 130435: Version 2024-1)

Daten mangelhaft (DD) ; Date assessed: 04 February 2009

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

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Estimates based on models

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).

Trophic level (Ref. 69278): 3.3 ±0.6 se; based on size and trophs of closest relatives

Widerstandsfähigkeit (Ref. 120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Psednos andriashevi Chernova, 2001