Allocareproctus kallaion, the combed snailfish, is a species of marine ray-finned fishes belonging to the family Liparidae, the snailfishes. These fish are found in the Northeast Pacific Ocean, inhabiting the east-central Aleutian Islands.
This species reaches a length of .
The fish's name in Greek means "comb", which refers to the multiple projections on the orobuccal valve and a single row of teeth on the posterior part of the dentary.