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Perciformes/Cottoidei (Sculpins) >
Liparidae (Snailfishes)
Etymology: Psednos: Greek, psednos, -e, -on = rare (Ref. 45335); sargassicus: Named in reference to its type locality, the Sagasso Sea.
More on author: Chernova.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina batypelagisk; djupintervall 0 - 1050 m (Ref. 42989). Deep-water
Northeast Atlantic: northern Sargasso Sea. High Seas only.
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 5.2 cm SL (female)
Mjukstrålar i ryggfenan (totalt) : 37; Ryggkotor: 42. Coronal pore present, infraorbital 5(5+0), temporal 1+1, head 25% SL, eye small (15.3% HL), gill slit located high (dorsal end about level with eye center), preanal short (38.5% SL), pectoral fin with 1 notch ray; caudal part of body pale, head, belly and margins of vertical fins brown (Ref. 42989).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | 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)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (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).
Trofisk nivå (Ref.
69278): 3.3 ±0.6 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
