Boal fish is a species of catfish. They are cannibalistic in nature. Boal fish can found in lakes, swamp or large rivers. It is a fish species of south Asia. This fish species found in Bangladesh, Vietnam, Indonesia, Afghanistan and some other countries.
This fish is also known by some other names like wallago, wallagonia attu, borali etc. Due to its ferocity it is also known as freshwater shark. Boal is a freshwater fish. Physical characteristics, classification, food habit and breeding of this Fish species are described below.