Classification / Names
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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).
Environment: milieu / climate zone / εύρος βάθους / distribution range
Οικολογία
Θαλασσινό(ά) βενθοπελαγικό; εύρος βάθους 8 - 20 m (Ref. 133101). Tropical
Western Central Pacific: Vietnam.
Μέγεθος / Βάρος / Age
Γεννητική Ωρίμανση: Lm ? range ? - ? cm
Max length : 99.8 cm TL αρσενικό/απροσδιόριστο; (Ref. 133101)
Short description
Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία
Σπόνδυλοι: 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.
Life cycle and mating behavior
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
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)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
αλιεία: χωρίς ενδιαφέρον
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Phylogenetic diversity index (Αναφ.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Τροφικό Επίπεδο (Αναφ.
69278): 4.1 ±0.7 se; based on size and trophs of closest relatives
Ελαστικότητα (Αναφ.
120179): Μεσαίο(α), ελάχιστος χρόνος για διπλασιασμό πληθυσμού 1,4 - 4,4 έτη (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): High vulnerability (60 of 100).
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