there are 29 species of freshwater puffer fish. An additional 40 live in brackish water, which is a mix of salt and fresh water. Puffer fish are surprisingly diverse in size. They can be as tiny ...

Most pufferfish live in marine environments, but some live in brackish water. Around 30 species ... including the Congo potato puffer, Tetraodon miurus, and the Indian pea puffer, Carinotetraodon ...