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Perciformes/Cottoidei (Sculpins) >
Liparidae (Snailfishes)
Etymology: Psednos: Greek, psednos, -e, -on = rare (Ref. 45335); harteli: Named for Karsten Edward Hartel, American ichthyologist of the Museum of Comparative Zoology, Harvard University (Ref. 42989).
Eponymy: Karsten Edward Hartel is an ichthyologist who joined (1975) the Museum of Comparative Zoology, Harvard University. [...] (Ref. 128868), visit book page.
More on author: Chernova.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina djupbottenlevande; djupintervall 0 - 1008 m (Ref. 42989). Deep-water; 40°N -
Northwest Atlantic: above the continental slope of eastern North America.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 4.8 cm SL hane/ej könsbestämd; (Ref. 42989)
Mjukstrålar i ryggfenan (totalt) : 42; Mjukstrålar i analfenan: 35; Ryggkotor: 47. No coronal pore, io 6 (5+1), 6 preoperculo-mandibular pores and 1 suprabranchial pore; lower pectoral lobe wide and thick, handlike, 1 pectoral notch ray, gill slit distinctly oblique and short (about equal to eye), large mouth (cleft reaching to below pupil, upper jaw 13.5% SL), caudal part of body unpigmented.
Reported maximum depth at 1258 m (Ref. 120413).
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). 🛈 |