a minnow-like Alaskan freshwater fish, Dallia pectoralis, related to the pikes and thought to be able to survive prolonged freezing
2.
a female salmon that has recently spawned
Compare redfish (sense 1)
3.
any of various other dark fishes, esp the luderick, a common edible Australian estuary fish
4. another name for pilot whale
blackfish in American English
(ˈblækˌfɪʃ)
nounWord forms: pluralˈblackˌfish or ˈblackˌfishes
1. US
any of a genus (Globicephala) of large, black, migratory dolphins; pilot whale
2.
any of a number of dark marine fishes, as a sea bass or tautog
3.
an edible Siberian or Alaskan freshwater fish (Dallia pectoralis) of the same order (Salmoniformes) as trout, pike, and salmon: reputed to revive after being frozen