About Agonopsis vulsa (Jordan & Gilbert, 1880)
The northern spearnose poacher, whose scientific name is Agonopsis vulsa, also goes by the common names window-tailed sea-poacher and windowtail poacher. It is a fish species that belongs to the family Agonidae. This species was first described by David Starr Jordan and Charles Henry Gilbert in 1880, when it was originally classified under the genus Agonus. It is a marine fish that lives in temperate waters, and it is found in the eastern Pacific Ocean, ranging from southeastern Alaska down to southern California, USA. It inhabits waters from the surface down to a depth of 163 metres, or 0 to 535 feet. The maximum recorded total length of male northern spearnose poachers is 20 centimetres, which equals 7.9 inches. This fish is sometimes kept as a display fish in public aquariums.
