Cheek-streaked goby
Echinogobius hayashii, the cheek-streaked goby, is a species of goby found in the Indo-West Pacific from western Australia to Fiji and Japan. This species can be found at depths of from living in areas with strong tidal currents and a sandy substrate. The cheek-streaked goby grows to a standard length of. This species is the only known member of the monotypic genus Echinogobius.