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Perciformes/Cottoidei (Sculpins) >
Liparidae (Snailfishes)
Etymology: Psednos: Greek, psednos, -e, -on = rare (Ref. 45335); steini: Named for David L. Stein, who originally described the specimen on which this species is based (Ref. 42989).
Eponymy: Dr David L Stein is an American ichthyologist and oceanographer who is a world expert on snailfishes. [...] (Ref. 128868), visit book page.
More on author: Chernova.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina batypelagisk; djupintervall 0 - 350 m (Ref. 42989). Deep-water
Western Indian Ocean: northern part of Crozet Basin near the southwest Indian Ridge (Ref. 42989).
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 3.7 cm SL hane/ej könsbestämd; (Ref. 42989)
Mjukstrålar i ryggfenan (totalt) : 36; Mjukstrålar i analfenan: 28; Ryggkotor: 43. Coronal pore present, temporal pores 1+1, pectoral fin with 1 notch ray, eye not less than 20% HL, gill slit equal to eye and vertical, its dorsal end level with pupil; color tan (Ref. 42989).
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). 🛈 |