Fish farming in Bangladesh is playing an important role to the total national income of this country. Bangladesh is a south Asian country and there are hardly any areas in the country where river or any other water source is not available. In a word, Bangladesh is surrounded by rivers and various types of water sources like pond, stream, lake etc. And a major part of the total population of this country are directly or indirectly involved with fish or fish related business. Especially, most of the people of southern area of Bangladesh are directly engaged with commercial fish farming or fish farming related business. Khulna, Barisal, Bagerhat, Satkhira etc are considered as the best place for commercial fish farming in Bangladesh.
The fish species which live and grow in freshwater is simply known as freshwater fish. Fish species of freshwater can’t survive in saltwater. The general name of some freshwater fish are listed below.
Rui fish is a very popular, common and mostly cultivated freshwater fish species of south Asia. It is a carp fish of cyprinidae family. Rui fishes are also known by some other names such as rohu fish, rohit fish etc. Among the species of carp fish the appreciation of Rui fish is maximum. It is very tasty and delicious. Rui fishes are very popular to the people of Bangladesh, India, Nepal, Thailand, Pakistan and some other Asian countries. It is generally a fish of river. But it also can be found in all types of natural water reservoir.
Katla fish is very fast growing and suitable fish breed for farming in freshwater pond. It is a very tasty and nutritious fish. And very popular to all types of people throughout the South Asia. The ancient and main living place of this fish ‘Katla’ is our open water reservoirs and rivers. Katla fish is a carp fish species and breeding rate in river, swamp and canal is very satisfactory. Katla fishes are also known by some other names such as katol fish, catla fish, Indian carp etc.