Question: are there any true freshwater puffers?
Answer: There are more than 150 species of puffer fish in the world, however, only about 30 of these are considered to be truly freshwater. They all vary significantly in shape, size and color. Going from 1″ such as the Dwarf puffer to over 24″ such as the Mbu Freshwater puffer. These fish are quite stocky and chubby looking.