Ophichthus chilkensis, Chilka lake's snake eel

Ophichthus chilkensis Chaudhuri, 1916

Chilka lake's snake eel
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Image of Ophichthus chilkensis (Chilka lake\
No image available for this species;
drawing shows typical species in Ophichthidae.

Classificatie / Namen Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

> Anguilliformes (Eels and morays) > Ophichthidae (Snake eels) > Ophichthinae
Etymology: Ophichthus: Greek, ophis = serpent + Greek, ichthys = fish (Ref. 45335)chilkensis: Named for its type locality, Chilka Lake.

Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied Ecologie

marien rifbewoner; diepte 25 - 30 m (Ref. 130619). Tropical

Verspreiding Gebieden | FAO regio's | Ecosystemen | Voorkomen | Verspreidingskaart | Introducties | Faunafri

Indian Ocean: Bay of Bengal.

Grootte / Gewicht / Leeftijd

Maturiteit: Lm ?  range ? - ? cm
Max length : 88.5 cm TL mannelijk / geslacht onbekend; (Ref. 130619); 63.0 cm TL (female)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Wervels: 218 - 222. This species is characterized by the following: body extremely elongated, subcircular posteriorly following the compressed tail portion, tail tip pointed and strong; depth at gill opening 74.3-92.8 in TL; pre-anal length 2.8-2.9 in TL, HL 18.3-20.4, tail 1.6; snout short, tip conical at dorsal view, ventral side not bisected by a groove; upper jaw moderate, rictus well behind posterior of eye orbit margin, eye moderate, at mid jaw, its length 11.8-16.7 in HL, 3.6-5.6 in upper jaw length; anterior nostril tubular, positioned toward ventrolaterally; posterior nostril a minute hole; single barbel on upper lip; dorsal-fin origin well behind pectoral-fin tip; pectoral fin short, tip rounded; shorter than jaw; its length 3.6-3.9 in HL; head pores are moderately conspicuous; a single median T and IO pores present; SO pores 1 + 4, first ethmoidal and three pores on snout dorsal surface and a pore between the interorbital space; IO pores 3 + 3, first located in middle of nostrils, second below the mid-eye, third and fourth behind eye orbit and 2 at ascendingly behind the eye; mandibular pores 5 and PO pores 2; LL pores conspicuous before anus; LL pores before gill opening 7-8, before dorsal-fin origin 13-14, before anus 71-74; teeth on jaw multiseries, small, pointed, and conical; intermaxillary with four teeth arranged in row; vomerine 2-3 rows anteriorly, three uniserial teeth posteriorly, extended beyond maxillary teeth row; maxillary and mandibular biserial, teeth size decreases posteriorly; vertebrae: pre-dorsal 12-13; pre-anal 72-73 and total 218-222 (Ref. 130619).
Cross section: oval.

Biologie     Verklarende woordenlijst (bv. epibenthic)

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

Hoofdreferentie Upload uw referenties | Referenties | Coördinator : McCosker, John E. | Medewerkers

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. 104(3):737-745. (Ref. 130619)

Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))


CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

Visserij: van geen belang
FAO - Publication: search | FishSource |

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Schattingen op basis van modellen

Fylogenetische diversiteitsindex
(Ref. 82804)
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight 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).
Trofisch niveau
(Ref. 69278)
4.0   ±0.7 se; based on size and trophs of closest relatives
Weerstandsvermogen
(Ref. 120179)
Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Kwetsbaarheid van de visserij
(Ref. 59153)
Moderate vulnerability (41 of 100). 🛈