Q.21
Which among the following is an exotic carp farmed in India?
- Exotic Carps in Indian Aquaculture: Exotic carps were introduced to India to complement the indigenous major carps (Catla catla, Labeo rohita, Cirrhinus mrigala) in composite fish culture by occupying unutilized ecological niches.
- Analysis of Options:
- Ctenopharyngodon idella (Grass Carp): Native to the Amur River basin (China/Russia), introduced to India in 1959 from Japan. It is an exotic macrophyte-feeding herbivorous carp widely cultured in India.
- Labeo calbasu (Calbasu/Orangefin labeo): Indigenous Indian major carp inhabiting freshwater rivers and reservoirs.
- Cirrhinus mrigala (Mrigal): Indigenous Indian major carp (bottom detritivore).
- Amblypharyngodon mola (Mola carplet): Indigenous small freshwater fish (SIS) native to the Indian subcontinent, rich in vitamin A.
- Correct Option: Option 4 (Ctenopharyngodon idella).
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