McCosker's worm eel (Neenchelys mccoskeri) is a ray-finned fish of the family Ophichthidae. It inhabits marine (saltwater) waters in benthic, deep-water environments. This species can reach a maximum total length of 52.2 cm. It occurs at depths between 100 and 400 metres. With a trophic level of 4.2, it is a mid-level predator. It is assessed as Least Concern on the IUCN Red List.
Vertebrae: 172 - 184. This species is distinguished by the following set of characters: head 6.4-7.7% TL, tail 57-63% TL; slender body, depth at gill opening 1.5-3.2% TL; a pointed appendage on the posterior rim of anterior nostril; dorsal-fin origin located mid trunk, distance from dorsal-fin origin to a vertical through the anus 46-59% of trunk length; minute pectoral fins, 1.5-4.3% HL; total vertebrae 172-184, predorsal 34-41, preanal 62-68; mean vertebral formula 36.9-65.0-178.7 . : eel-like; Cross section: other (see remarks).
Behavioural data for McCosker's worm eel is currently being reviewed.
Diet information for McCosker's worm eel is currently being compiled.
Reproduction data for McCosker's worm eel is currently being compiled.
Marine; demersal; depth range 100 - 400 m . Deep-water
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