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Anguilliformes (Eels and morays) >
Ophichthidae (Snake eels) > Ophichthinae
Etymology: Ophichthus: Greek, ophis = serpent + Greek, ichthys = fish (Ref. 45335); naevius: Name from Latin 'naevius' meaning having moles or spots, referring to numerous dark spots on the dorsal surface of the body..
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien rifbewoner; diepte 25 - 30 m (Ref. 130619). Tropical
Indian Ocean: Bay of Bengal, India.
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 37.8 cm TL mannelijk / geslacht onbekend; (Ref. 130619); 31.6 cm TL (female)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Wervels: 134 - 138. This moderately elongate species is distinguished from its congeners by the following set of characters: dorsal-fin origin just before pectoral-fin tip; pectoral fin rounded and longer than upper jaw; head 9.7%-10.8% TL; pre-anal length 40.0%-40.9% TL: tail 58.1%-60% TL; snout length 14.8%-18.3% HL; head pores: suprorbital 1 + 4, infraorbital 3 + 3, preopercular 3, mandibular 6; upper jaw no barbel; teeth uniserial small, conical, and pointed; intermaxillary with five teeth, 27-29 curved maxillary teeth on each side, 18 vomerine teeth in irregularly uniserial, 34 mandibular teeth; vertebrae: pre-dorsal 12-14; pre-anal 52-53; total 134-138. Colouration: dorsal body with numerous dense dark spots or patches, ventral body pale yellowish green, opercular mild yellow with no spots, and ventral portion of the lower jaw with distinct dark patches (Ref. 130619).
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
Kodeeswaran, P., A. Kathirvelpandian, A. Mohapatra, T.T.P.A. Kumar and U.K. Sarkar, 2023. A new snake eel species of the genus Ophichthus (Anguilliformes: Ophichthidae) from the southeast coast of India, Bay of Bengal, with the taxonomic account of Ophichthus chilkensis. J. Fish Biol. Early view: [1-9].
[First published online, pp. 1-9, 1 Dec. 2023.] (Ref. 130619)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van geen belang
Tools
Speciale rapporten
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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Trofisch niveau (Ref.
69278): 3.8 ±0.7 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (28 of 100).
