Concern over pollution in Nainital lake
Gambusia afinis - a fish species popularly used to control mosquitoes in ponds and lakes located in the warm areas of the plains and inadvertently introduced in the Nainital lake - is bound to finish
Gambusia afinis - a fish species popularly used to control mosquitoes in ponds and lakes located in the warm areas of the plains and inadvertently introduced in the Nainital lake - is bound to finish