n. one of a number of fresh-water fish of the family Catostomidae, which are bottom feeders having mouths so shaped as to give the appearance of being engaged in sucking.
1852  During the whole summer, in the eddies between the islands in this part of the lake, multitudes of fish may be taken with hooks and by nets, such as trout, white-fish, pike, sucking-carp, and inconnu.