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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
Ecologia
marinhas batipelágico; intervalo de profundidade ? - 800 m (Ref. 42989). Deep-water
Northeast Atlantic: west of Ireland. High Seas only.
Tamanho / Peso / Idade
Maturity: Lm ?  range ? - ? cm
Max length : 5.3 cm SL macho/indeterminado; (Ref. 42989)
Raios dorsais (total) : 42; Vértebras: 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.
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
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)
Status na Lista Vermelha da UICN (Ref. 130435: Version 2024-1)
Ameaça para os humanos
Harmless
Uso pelos humanos
Ferramentas
Relatórios especiais
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Fontes da internet
Estimates based on models
Índice de diversidade filogenética (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).
Nível Trófico (Ref.
69278): 3.3 ±0.6 se; based on size and trophs of closest relatives
Resiliência (Ref.
120179): Elevada, tempo mínimo de duplicação da população menor que 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).