The sawback poacher[2] (Sarritor frenatus) is a species of fish in the family Agonidae.

[4] 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).

[3] The sawback poacher is preyed on by bony fish including the Pacific cod, the Kamchatka flounder, the Pacific halibut, the Aleutian skate, and Careproctus cyclocephalus.