Question
Give the common names and scientific names of two Indian major carps and one Chinese carp which are cultured in fresh water. If you were given two carps, how will you know which one is male and which one is female by observing (i) the genital aperture/vent, and (ii) the pectoral fins?
Answer :
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The two major Indian carps commonly cultured in freshwater aquaculture are the *Rohu* (Labeo rohita) and the *Catla* (Catla catla). The *Rohu* is widely distributed and is highly regarded for its growth rate and nutritional value. The *Catla*, also an important species, is known for its rapid growth and large size. A Chinese carp species often cultivated in India is the *Grass carp* (Ctenopharyngodon idella), which is prized for its herbivorous feeding habits and is effective in controlling aquatic vegetation in ponds.
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