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Perciformes/Cottoidei (Sculpins) >
Liparidae (Snailfishes)
Etymology: Psednos: Greek, psednos, -e, -on = rare (Ref. 45335); gelatinosus: The name gelatinosus refers to the great development of subcutaneous gelatinous tissue in this species (Ref. 42989).
More on author: Chernova.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino batipelagico; distribuzione batimetrica 0 - 650 m (Ref. 42989). Deep-water
Northeast Atlantic: off southeast Greenland.
Dimensione / Peso / Età
Maturità: Lm ?  range ? - ? cm
Max length : 6.5 cm TL maschio/sesso non determinato; (Ref. 42989)
Raggi dorsali molli (totale) : 38; Raggi anali molli: 35. No coronal pore, 6 preoperculo-mandibular and 2 suprabranchial pores; head large (29% SL), eye small (17.4% HL), mouth slightly oblique and short (cleft reaching below anterior margin of eye); dorsal and anal fins overlap 2/3 of caudal fin; body greatly gelatinous; color pale with dark margins near middle of dorsal and anal fins.
Collected from midwater (Ref. 42989). Reported maximum length of 3 cm SL based on a juvenile specimen (Ref. 42989). Preliminary maximum length assumed as 6.5 cm TL.
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
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)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Temperatura preferita (Fonte Biblio.
123201): -0.6 - 3.3, mean 0.6 °C (based on 139 cells).
Indice di diversità filogenetica (Fonte Biblio.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00525 (0.00237 - 0.01161), b=3.15 (2.96 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Livello trofico (Fonte Biblio.
69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
Resilienza (Fonte Biblio.
120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (Fecundity assumed < 1000).
Vulnerabilità della pesca (Ref.
59153): Low vulnerability (10 of 100).
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