Some of the most popular species of mollies are the balloon, sailfin, Yucatan lyretail, and shortfin, or common molly fish. Like guppies, mollies are tropical and freshwaterfish that thrive ...
the guppy (scientific name Poecilia reticulata), AKA the rainbow fish or the millionfish, is one of the world’s most popular tropical fish and one of the most widely distributed freshwater ...