Basha fish are freshwater fish because they live in fresh water. Because their body structure and various regulatory mechanisms in the body have adapted to the fresh water environment, they cannot live in the ocean, not marine fish.

There are many kinds of fish, which can be classified from many aspects. For example, from the perspective of living environment, fish can be divided into marine fish and freshwater fish, among which those living in the ocean belong to marine fish and those living in fresh water are freshwater fish.

Basha fish is a kind of fish that we can see in daily life. From the perspective of living environment, they belong to freshwater fish, because they can only live in fresh water, and their body structure and various body adjustment mechanisms are all adapted to fresh water life. They can't live in the ocean, so they are not marine fish. Judging from the specific distribution waters, Basha fish is the most widely distributed in Southeast Asia.

Brief introduction of Basha fish

Basha fish (scientific name: Pangasius bocourti) is a fish of Silurus and Silurus. Basha fish has no scales, and there are two kinds of body colors, one is blue-black in the back and white in the abdomen, the other is pink-white in the back and white in the abdomen.

The appearance of Basha fish is similar to that of channel catfish. The fish body is spindle-shaped, the head is flat and wide, the abdomen is narrow, the muscles on both sides of the body are thick, the head is small and round, accounting for about 1/5 of the body length, the mouth is lower, and there are two pairs of whiskers, namely, mandibular whiskers 1 pair, external whiskers 1 pair, and the eye diameter is large.

Distributed in Cambodia, Laos, Thailand, Viet Nam and China. The optimum water temperature for the growth of Basha fish is 22 ~ 32℃. When it is lower than 20℃, its growth rate will slow down with the decrease of water temperature. When the water temperature is lower than 13℃, it will be frostbitten until death.

Basha fish is an important freshwater aquaculture species in Southeast Asian countries, and it is a unique high-quality economic fish in the Mekong River basin. It is transliterated as "Kabasha" in Vietnam, which means "three fatty fish", because during its growth, the fish has accumulated three large fats in its abdominal cavity, accounting for about 58% of its weight.