Which one of the following fish is being illegally introduced for aquaculture purposes and is posing a threat to the indigenous catfishes of Indian rivers?
A
Clarias gariepinus
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B
Nile perch
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C
Climbing perch
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D
Protopterus
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Solution
The correct option is B Clarias gariepinus Clarias gariepinus, the African catfish has been illegally introduced for aquaculture purposes and is posing a threat to the indigenous catfishes of Indian rivers.