noun, plural (especially collectively) dog·fish, (especially referring to two or more kinds or species) dog·fish·es.
Examples from the Web for dogfish
Whereupon the herring, the mackerel, and the dogfish swam forward, and each claimed to be king.The Divine Adventure etc. (Works vol. 4)|Fiona Macleod
The tail vertebrae of the dogfish have this typical arrangement, the trunk vertebrae have the haemal arches modified.The Vertebrate Skeleton|Sidney H. Reynolds
We're gettin' clost to Dogfish Spur now, an' the camp's twenty-seven mile off'n the railroad.Connie Morgan in the Lumber Camps|James B. Hendryx
And we hadn't more'n got our lines over the side than we struck into a school of dogfish.Cape Cod Stories|Joseph C. Lincoln
Then the bag was put around 194 the seine to protect the rest of the mackerel from dogfish and sharks, and we were ready to dress.The Seiners|James B. (James Brendan) Connolly