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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.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien bathypelagisch; diepte 0 - 650 m (Ref. 42989). Deep-water
Northeast Atlantic: off southeast Greenland.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 6.5 cm TL mannelijk / geslacht onbekend; (Ref. 42989)
Dorsale zachte stralen (totaal) : 38; Anale zachte stralen: 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.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
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 op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (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). |
Trofisch niveau (Ref. 69278) |
3.3 ±0.5 se; based on size and trophs of closest relatives |
Weerstandsvermogen (Ref. 120179) |
Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Fecundity assumed < 1000). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |