Classification / Names
Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa
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Perciformes/Cottoidei (Sculpins) >
Liparidae (Snailfishes)
Etymology: Psednos: Greek, psednos, -e, -on = rare (Ref. 45335); argyrogaster: Named for the silvery outer lining of the abdomen.
Environment: milieu / climate zone / profondeur / distribution range
Écologie
marin bathydémersal; profondeur ? - 1037 m (Ref. 92437). Deep-water
Southwest Pacific: Chatham Rise, east of New Zealand.
Taille / Poids / Âge
Maturité: Lm ? range ? - ? cm
Max length : 7.4 cm TL mâle / non sexé; (Ref. 92437)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Rayons mous dorsaux (Total) : 49; Rayons mous anaux: 43; Vertèbres: 56. This species is distinguished by the following characters: vertebrae 56 (12+44), dorsal fin rays 49, anal fin rays 43, caudal fin rays 6 (3/3), pectoral fin rays 15 (7+3+5), pyloric caeca 6; angle of mouth about 30°; teeth arranged in about 30 oblique rows forming a moderately wide band anteriorly; strong opercle curved posteroventrally, almost horizontal at its tip; no coronal pore, mandibular symphyseal pores moderately large, round, distant from each other by 4-5 pore diameters; abdomen relatively short and deep, distance from pectoral symphysis to abdomen end slightly shorter than or equal to head; peritoneum externally silvery when viewed at an angle, whitish black in direct side view, internally black (Ref. 92437).
Body shape (shape guide): elongated; Cross section: compressed.
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Stein, D.L., 2012. A review of the snailfishes (Liparidae, Scorpaeniformes) of New Zealand, including descriptions of a new genus and sixteen new species. Zootaxa 3588:1-54. (Ref. 92437)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-1)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Réf.
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).
Niveau trophique (Réf.
69278): 3.3 ±0.6 se; based on size and trophs of closest relatives
Résilience (Réf.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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