Following are the animals that recently became extinct , except ________________
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) -Clarias gariepinus
The recent illegal introduction of the African catfish Clarias gariepinus for aquaculture purposes is posing a threat to the indigenous catfishes in our rivers. Clarias gariepinus is a species of African catfish that was illegally introduced into Indian rivers for the purpose of aquaculture. This invasive alien species is now posing a threat of extinction to the Indian catfish varieties.
Some examples of recent extinctions include the dodo (Mauritius), quagga (Africa), thylacine (Australia), Steller’s Sea Cow (Russia) and three subspecies (Bali, Javan, Caspian) of tiger. The last twenty years alone have witnessed the disappearance of 27 species.