dog salmon—a salmon of Western North America (Oncorhynchus keta):
- The meat of the dog salmon is palatable when fresh or smoked.
dogfish—
1. various small sharks, chiefly of the family Squalidae, of Atlantic and Pacific coastal waters:
- The spiny dogfish shark travels in packs.
2. a bony freshwater fish (Amia calva) of central and eastern North America:
- The fish known to be called a dogfish does not occur in these northern waters.