1, family and genus difference: Oil fish and Basha fish are not the same, they are two different kinds of fish, because their categories are different.

2. Difference of living environment: The living environment of oil fish and Basha fish is different, which is very different. Oil fish live in the ocean, which is a kind of marine fish. Their bodies can adapt to the seawater environment, but Basha fish is a kind of freshwater fish, and their bodies adapt to the environment in fresh water.

3. Geographical differences in distribution: the distribution areas of oil fish and Basha fish are also different. Cod is widely distributed in the oceans all over the world, especially in the North Pacific Ocean. Because oil fish is a cold-water fish, Basha fish is mainly distributed in the fresh water of Southeast Asia, and then it was introduced to other countries, where it can be cultured artificially.

4. Price difference: both oil fish and Basha fish can be bought in the market, but their prices are not the same. In contrast, Basha fish is more affordable and oil fish is more expensive.