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Perciformes/Cottoidei (Sculpins) >
Liparidae (Snailfishes)
Etymology: Psednos: Greek, psednos, -e, -on = rare (Ref. 45335); barnardi: Named for Keppel Harcourt Barnard who first described the genus Psednos (Ref. 42989).
Eponymy: Dr Keppel Harcourt Barnard (1887–1964) was a UK-born South African invertebrate zoologist particularly interested in marine crustaceans. [...] (Ref. 128868), visit book page.
More on author: Chernova.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina djupbottenlevande; djupintervall 750 - 1368 m (Ref. 42989). Deep-water
Northwest Atlantic: near southeast slope off New England, USA.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 3.4 cm SL hane/ej könsbestämd; (Ref. 42989)
Mjukstrålar i ryggfenan (totalt) : 39 - 41; Ryggkotor: 47. No coronal pore, 6 preoperculo-mandibular pores, small eye (18% HL), gill slit 1.6 eye diameter, short mouth (cleft reaching to below anterior margin of eye). Caudal part of body unpigmented, skin on chin and lower jaw black.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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 på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
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Harmless
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (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). |
Trofisk nivå (Ref. 69278) |
3.2 ±0.5 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |