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Anguilliformes (Eels and morays) >
Ophichthidae (Snake eels) > Ophichthinae
Etymology: Ophichthus: Greek, ophis = serpent + Greek, ichthys = fish (Ref. 45335); cuulongensis: Name 'cuulongensis' from the species type locality, Mekong River’s estuary (Sông Cửu Long).
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin benthopélagique; profondeur 8 - 20 m (Ref. 133101). Tropical
Western Central Pacific: Vietnam.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 99.8 cm TL mâle / non sexé; (Ref. 133101)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Vertèbres: 199 - 207. This species is distinguished by the following set of characters: occipital not convex prominently, dorsal of snout with median shallow groove, reaching to interorbital pore; three or more shallow wrinkles (usually 3) on posterior part of eye; body with numerous longitudinal wrinkles, also prominent on abdomen; head length 5.2-6.2% TL; tail length 65.4-68.8% TL; two protrusions along upper lip from each side (some paratypes 1 on one side); dorsal-fin origin slightly behind pectoral-fin tip; SO 1 + 3, POM 5 (or rarely 6) + 2; teeth small (but larger in intermaxillary and anterior vomer); body dark brown, paler abdomen; dark-margined dorsal fin, anal fin initially pale but in posterior part with faded dark margin, the area more than two head length; total vertebrae 199-207, MVF 14-62-202 (Ref. 133101).
Body shape (shape guide): eel-like; Cross section: circular.
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Vo, Q.V., Y. Hibino, H.-C. Ho, T.T.T. Le and Y.G. Seah, 2025. Two new snake eels (Anguilliformes, Ophichthidae, Ophichthus) from Viet Nam, with redescriptions of O. macrochir (Bleeker) and O. rutidoderma (Bleeker). ZooKeys 1231:311-329. (Ref. 133101)
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
Articles particuliers
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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=0.00093 (0.00041 - 0.00212), 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 (Réf. 69278) |
4.1 ±0.7 se; based on size and trophs of closest relatives |
Résilience (Réf. 120179) |
Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.). |
Vulnérabilité de la pêche (Ref. 59153) |
Moderate to high vulnerability (45 of 100). 🛈 |