Remarkable Fish Piranhas
Facts about the Piranha Scientific(Remarkable Fish Piranhas) Names: Scientists used to lump all piranhas under the name Serrasalmus. Now scientists think there are at least four different groups of piranhas: Serrasalmus, Pygocentrus, Pygopristis, and Pristobrycon. Of these groups, scientists have identified some 30 different piranha species. Description: Size: From 8 inches (20 centimeters) to 2 … Read more