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Perciformes/Cottoidei (Sculpins) >
Liparidae (Snailfishes)
Etymology: Psednos: Greek, psednos, -e, -on = rare (Ref. 45335); cryptocaeca: Name from Greek 'krypto-' for hidden and the Latin 'caecum' or blind; referring to the difficulty of finding the pyloric caeca in this species.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin pelagic-oceanic; profondeur ? - 121 m (Ref. 92437). Subtropical
Southwest Pacific: off Otago Canyons, east of southern New Zealand.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 9.6 cm SL mâle / non sexé; (Ref. 92437)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Rayons mous dorsaux (Total) : 49 - 50; Rayons mous anaux: 43 - 44; Vertèbres: 56. This species is distinguished by the following characters: vertebrae 56, pectoral fin rays 15 (6+4+5); terminal mouth oblique, its angle about 45°, posterior lower edge of lower jaw with anterior projecting blunt spine; very slender teeth, needle-like; long opercle long, slender and slightly curved, pointing posteroventrally but primarily down; lower margin emarginate, supported by at least two, possibly three, branchiostegal rays; coronal pore apparently absent; abdominal vertebrae forming a marked dorsal curve; mandible to abdomen end about 175% HL; dark brown peritoneum visible through body wall; stomach brownish, intestine entirely cream-colored (Ref. 92437).
Body shape (shape guide): elongated; Cross section: compressed.
Cycle de vie et comportement reproducteur
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 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
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Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 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). |
Niveau trophique (Réf. 69278) |
3.4 ±0.5 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.). |
Vulnérabilité de la pêche (Ref. 59153) |
Low vulnerability (13 of 100). 🛈 |