The Blacktip poacher (Xeneretmus latifrons) is a fish in the family Agonidae (poachers). It was described by Charles Henry Gilbert in 1890. It is a marine, deep water-dwelling fish which is known from British Columbia, Canada to Baja California, Mexico, in the eastern Pacific Ocean. It dwells at a depth range of 18-400 metres, and inhabits soft benthic sediments. Males can reach a maximum total length of 19 centimetres. The Blacktip poacher is preyed on by hake, flatfish, and lancetfish. Its own diet consists of mysid crustaceans.