Freshwater

Freshwater fish spend part or all of their lives in fresh water, such as rivers and lakes, with a salinity of less than 1.05%.

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Anabas testudineus

The body is slightly elongated, with straight back and sides, the head is rather large. It …

Macropodus opercularis

This species exhibits sexual dimorphism. Males are larger than females and possess elongated filaments on their …

It is a bony fish with an endoskeletal thorax. Body subcylindrical, head depressed, caudal fin rounded. …