Biology · PYQ NEET UG 2019(2)
हिन्दीDecline in the population of Indian native fishes due to introduction of Clarias gariepinus in river Yamuna can be categorised as
Correct answer · Option 1
Alien species invasion
Explanation
Introduction of non-native species like African catfish (Clarias gariepinus) poses a threat to indigenous catfish due to alien species invasion.