Kusanagi snake eel (Ophichthus kusanagi) is a ray-finned fish of the family Ophichthidae. It inhabits marine (saltwater) waters in benthic environments. This species can reach a maximum total length of 65.1 cm. It occurs at depths between 285 and 480 metres. With a trophic level of 3.9, it is a mid-level predator.
Vertebrae: 158 - 163. This species is distinguished by the following characters: head 7.3-9.1% TL; tail 58-60% TL; body depth at gill opening 2.6-3.0% TL; snout 18-20% HL; posterior nostril opening is slightly above upper lip, concealed by a broad dermal flap; mandibular pores 6; preopercular pores 2; teeth on maxilla and vomer biserial; pectoral fin short (length 22–31% HL), its posterodorsal tip pointed, not elongated; dorsal-fin origin is behind pectoral-fin tip 2.0-2.5 times pectoral-fin length (i.e. horizontal distance from a vertical through gill opening to the origin 3.0-3.5 in the fin length and 0.7-1.0 times head length); margin of anal fin not dark-colored margin; pectoral-fin rays 13; total vertebrae 158-163, mean vertebral formula 19-60-160 .Cross section: oval.
Behavioural data for Kusanagi snake eel is currently being reviewed.
Diet information for Kusanagi snake eel is currently being compiled.
Reproduction data for Kusanagi snake eel is currently being compiled.
Marine; demersal; depth range 285 - 480 m . Subtropical Northwest Pacific: Japan.
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