About Bothragonus swanii (Steindachner, 1876)
Nomenclature and Classification
Bothragonus swanii, commonly known as the rockhead, deep-pitted poacher, or deep-pitted sea-poacher, is a fish species belonging to the family Agonidae. This species was first described by Franz Steindachner in 1876, and it was originally classified under the genus Hypsagonus.
Distribution Range
It occurs in the eastern Pacific Ocean, ranging from Alaska south to Carmel Bay, California.
Habitat and Depth Range
It can be found down to depths of 18 meters, and also lives in the intertidal zone.
Maximum Size
Mature males of this species reach a maximum total length of 8.9 centimeters.