Psednos rossi

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Psednos rossi Chernova & Stein, 2004

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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Psednos rossi   AquaMaps   Data sources: GBIF OBIS
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drawing shows typical species in Liparidae.

Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

> Perciformes/Cottoidei (Sculpins) > Liparidae (Snailfishes)
Etymology: Psednos: Greek, psednos, -e, -on = rare (Ref. 45335);  rossi: Named for Steve W. Ross..
More on authors: Chernova & Stein.

Environment: milieu / climate zone / depth range / distribution range Ecologie

marien; diepte 500 - 674 m (Ref. 53592). Tropical

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North Western Atlantic: off Cape Hatteras.

Grootte / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 3.7 cm SL mannelijk / geslacht onbekend; (Ref. 53592)

Korte beschrijving Morfologie | Morfometrie

Dorsale zachte stralen (totaal): 42-44; Anale zachte stralen: 33 - 35; Wervels: 47. The juvenile holotype of this species is distinguished by the following characters: vertebrae 47; dorsal-fin rays 42-44; no coronal pore; vertical mouth, symphysis of upper jaw above level of eye; body not humpbacked; vertebral column not curved behind cranium; enlarged gill cavity; anus on vertical behind head; notched pectoral fin, rays 8+2+5-6; eye 17-19% HL (Ref. 53592).

Biologie     Verklarende woordenlijst (bv. epibenthic)

The species possess a very large superior mouth with vertical jaws, eyes located close to the dorsal contour of the head and oriented to look forward and up, and a straight body, suggesting an adaptation to feeding on detritus and animals (such as copepods) above it in the water column (Ref. 53592).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

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Chernova, N.V. and D.L. Stein, 2004. A remarkable new species of Psednos(Teleostei: Liparidae) from the western North Atlantic Ocean. Fish. Bull. 102:245-250. (Ref. 53592)

Status op de Rode Lijst van het IUCN (Ref. 130435)


CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

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Estimates based on models

Preferred temperature (Ref. 123201): 3.4 - 4, mean 3.6 °C (based on 29 cells).
Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 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).
Trofisch niveau (Ref. 69278):  3.2   ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).