Ophichthus urolophus (Temminck & Schlegel, 1846)
Manetail snake eel
photo by Winterbottom, R.

Family:  Ophichthidae (Snake eels), subfamily: Ophichthinae
Max. size:  61.5 cm TL (male/unsexed)
Environment:  demersal; marine
Distribution:  Indo-Pacific.
Diagnosis:  Vertebrae: 134-139. This moderately elongate species of Ophichthus, subgenus Coecilophis is distinguished by the following characters: tail 53-58%, head 11-13% of total length and depth at gill opening 4.0-4.8% of TL; origin of dorsal-fin slightly behind pectoral-tips; pectoral fins spatulate, non-elongate and slightly less than length; large eyes, posterior margin of orbit ahead of rictus; posterior nostril a hole in upper lip and covered by a flap; small, inconspicuous head pores, SO 1+3, IO 4+2, POM 2-3+6-7 (usually 3+7); small, conical teeth, uniserial on mandible and vomer, few anterior teeth on maxillary; color tan on flanks and dorsum, pale ventrally, all fins and anterior nostrils pale, chin and snout dusky; mean vertebral formula 16.2/54.0/136.5, total vertebrae 134-139 (Ref. 84366).
Biology:  Taken from great depths, rarely from shallow muddy bottoms. Feeds on benthic animals (Ref. 637).
IUCN Red List Status: Least Concern (LC); Date assessed: 02 December 2019 Ref. (130435)
Threat to humans:  harmless


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