The Sawback poacher (Sarritor frenatus) is a fish in the family Agonidae (poachers). It was described by Charles Henry Gilbert in 1896, originally under the genus Odontopyxis. It is a marine, temperate water-dwelling fish which is known from the northern Pacific Ocean, including Japan, the Gulf of Anadyr, the Bering Sea, the Aleutian chain, and British Columbia, Canada. It dwells at a depth range of 18 to 975 metres (59 to 3,199 ft), and inhabits soft sediments. Males can reach a maximum total length of 27 centimetres (11 in).