The illegal introduction of Clarias gariepinus for aquaculture purposes into the river threatened which indigeous fish species?
Read the following given examples
(i) Plant – pollinator mutualism
(ii) African catfish in our rivers for aquaculture
(iii) Fish species with its parasites.
(iv) Nile perch and cichlid fish
Which out of these options correctly gives the examples of “Co – extinctions” as a cause of biodiversity loss.