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Perciformes/Cottoidei (Sculpins) >
Liparidae (Snailfishes)
Etymology: Careproctus: Greek, kara = face + Greek, proktos = anus (Ref. 45335); io: Named after 'Io', a Greek mythological character who wandered the world without rest, due to the unsettled phylogenetic position of the new species; noun in apposition.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin bathydémersal; profondeur 419 - 465 m (Ref. 131310). Subtropical
Northwest Pacific: Japan.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 5.1 cm TL mâle / non sexé; (Ref. 131310); 4.4 cm TL (female)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Rayons mous dorsaux (Total) : 36 - 37; Rayons mous anaux: 30; Vertèbres: 40 - 42. This species is distinguished by the following set of characters: vertebrae 40-42; D 36 or 37; A 30; pectoral-fin rays 28 or 29 rays, deeply notched, with lower lobe reaching to anal-fin origin; large pelvic disk 34.2-34.5% HL (10.3-10.9% SL); teeth are strongly trilobed on both jaws, with inner teeth weakly trilobed or shouldered; cephalic pore pattern 2-6-7-2, chin pores paired; gill slit is above pectoral-fin base. Colouration: body bright red, non-variegated in life (Ref. 131310).
Cross section: oval.
The ovary of holotype pouch-like, translucent whitish, with yolked eggs (0.50 mm maximum diameter); testes of paratype (FAKU 150605) was enlarged, color creamy-white (Ref. 131310).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Kai, Y., E. Morikawa and R. Misawa, 2024. Careproctus io (Teleostei: Liparidae), a new snailfish from the western North Pacific, with comments on generic limits. Species Diversity 29:111-117. (Ref. 131310)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: sans intérêt
Outils
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Sources Internet
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=0.00447 (0.00206 - 0.00966), b=3.17 (2.99 - 3.35), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Niveau trophique (Réf. 69278) |
3.1 ±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 (10 of 100). 🛈 |