Actinopteri (ray-finned fishes) > Anguilliformes
(Eels and morays) > Ophichthidae
(Snake eels) > Ophichthinae
Etymology: Ophichthus: Greek, ophis = serpent + Greek, ichthys = fish (Ref. 45335); tomioi: Named for Tomio Iwamoto, CAS. More on author: McCosker.
Environment: milieu / climate zone / depth range / distribution range
Marine; benthopelagic; depth range 300 - 423 m (Ref. 84366), usually - m (Ref. ). Deep-water; 0°C -
Indo-Pacific: off the Philippines, Marquesas, Fiji, and the Seychelle Islands.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 44.7 cm TL male/unsexed; (Ref. 84366)
Morphology | Morphometrics
Vertebrae: 166 - 189. This moderately elongate species of Ophichthus, subgenus Coecilophis is distinguished by the following characters: tail 59-62.5% and head 9.1-10% of total length; origin of dorsal-fin slightly ahead of end of pectoral filaments; pointed, elongate and filamentous pectoral fins, posterior nostril a hole in outer lip and covered by an anterior flap; large eye nearly equal to snout; minute head pores, SO 1+4, IO 4+2, POM 2+6-7; small, conical and numerous teeth, uniserial on vomer, regularly biserial and close set on maxillary and mandible; yellow in color, tan along mid-flanks, hindmost ventral surface of tail black; vertebral formula 16/62/169, total vertebrae 166-189 (Ref. 84366).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
McCosker, J.E., 2010. Deepwater Indo-Pacific species of the snake-eel genus Ophichthus (Anguilliformes: Ophichthidae), with the description of nine new species. Zootaxa 2505:1-39. (Ref. 84366)
IUCN Red List Status (Ref. 124695)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 4.7 - 13.7, mean 9.9 °C (based on 11 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00129 (0.00054 - 0.00308), b=2.92 (2.72 - 3.12), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.8 ±0.7 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (28 of 100) .