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Anguilliformes (Eels and morays) >
Ophichthidae (Snake eels) > Ophichthinae
Etymology: Ophichthus: Greek, ophis = serpent + Greek, ichthys = fish (Ref. 45335); pallens: Name from Latin meaning pale (Ref. 131479).
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin démersal. Tropical
Northwest Pacific: Japan to China.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 33.6 cm TL mâle / non sexé; (Ref. 131479)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Vertèbres: 169 - 173. This species is distinguished by the following characters: head 7.7-7.9% TL; tail 61% TL; body depth at gill opening 2.1-2.5% TL; dorsal-fin origin is behind pectoral-fin tip by about two pectoral-fin lengths; pectoral fin is elongate; posterior nostril a hole within upper lip, not visible externally; upper lip with two small but prominent protrusions beneath first infraorbital pore and mid-orbit; supraorbital pores one + three; mandibular pores 5; preopercular pores 2; teeth are small and conical, irregularly biserial on jaws and vomer; total vertebrae169-173, mean vertebral formula 18-64-171. Colouration: uniform tan dorsally and pale ventrally, fins are pale without dark margins (Ref. 131479).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Hibino, Y., J.E. McCosker and F. Tashiro, 2019. Four new deepwater Ophichthus (Anguilliformes: Ophichthidae) from Japan with a redescription of Ophichthus pallens (Richardson 1848). Ichthyological Research 66(2):289-306. (Ref. 131479)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-1)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: sans intérêt
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00091 (0.00039 - 0.00215), b=2.99 (2.79 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.8 ±0.6 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (24 of 100).