1, the category is different: silver cod scientific name small scale canine tooth Antarctic fish, is a marine migratory fish, while the canine tooth fish is a kind of slow-growing large and medium-sized benthic freshwater fish in the class of spiny dogfish, perch, Antarctica, canine tooth Antarctic fish.

2, different places of origin: silver cod is mainly distributed in the Arctic Ocean, the North Pacific Ocean, while the canine fish is mainly distributed in the southeastern Pacific Ocean and the southwestern Atlantic Ocean.