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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.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien bathypelagisch; diepte ? - 800 m (Ref. 42989). Deep-water
Northeast Atlantic: west of Ireland. High Seas only.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 5.3 cm SL mannelijk / geslacht onbekend; (Ref. 42989)
Dorsale zachte stralen (totaal) : 42; Wervels: 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.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
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 op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00525 (0.00238 - 0.01156), b=3.15 (2.96 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisch niveau (Ref. 69278) |
3.2 ±0.5 se; based on size and trophs of closest relatives |
Weerstandsvermogen (Ref. 120179) |
Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |