Sexual dimorphism refers to the differences between males and females of the same species. These differences can range from subtle variations in coloration to dramatic differences in body size and shape. In the world of freshwater aquariums, there are many species that exhibit sexual dimorphism, and some of the most interesting examples are discussed below. Angelfish (Pterophyllum spp.) Angelfish are popular freshwater aquarium fish known for their distinctive shape and graceful movements. Male and female angelfish exhibit sexual dimorphism in a number of ways. Males tend to be larger than females, with longer fins and a more pointed dorsal...
Continue reading