. . "* Hypsagonus swanii (Steindachner, 1876)" . . "* Bothragonus swani (Steindachner, 1876)" . . "The Rockhead (Bothragonus swanii, also known as the Deep-pitted poacher or the Deep-pitted sea-poacher) is a fish in the family Agonidae (poachers). It was described by Franz Steindachner in 1876, originally in the genus Hypsagonus. It is a marine, temperate water-dwelling fish which is known from the eastern Pacific Ocean, including Alaska, Carmel Bay, and California, USA. It dwells at a depth range of 0\u201318 metres, and inhabits intertidal regions."@en . . .