Roche's snake blenny (Ophidion rochei) is a fish species in the genus Ophidion and the family Ophidiidae.

[1] Marine subtropical demersal fish, up to 29.3 centimetres (11.5 in) long.

[2] This fish species has distinctive sonic capabilities, produced by the dorsal, intermediate, and ventral sonic muscles.

[3] Additionally, females tend to produce sounds having short duration and pulsation, while male sounds are longer and show a unique pattern of pulsation, resulting in characteristic distinctions between the Ophidion rochei and the Ophidion barbatum, its twin species.

[4] The specific name honors the Swiss physician and naturalist François-Etienne Delaroche (1780–1813), who wrote about the distinctive swim-bladder anatomy of Ophidion barbatum in 1809.