Question

In an aquarium two herbivorous species of fishes are living together and feeding on phytoplanktons. As per the Gause principle one of the species is to be eliminated in due course of time but both are surviving well. Give possible reason.

Answer 1

1)Conditions favored plentiful development of phytoplankton.

2)There is no zooplankton.

3)The number of two types of fish is little.

4)There is no duplication of fish.