Pufferfish are best known as quirky marine oddities, famous for their ability to inflate into a ball when threatened. The majority of species are indeed found in saltwater or brackish coastal habitats, where they have evolved to thrive in reefs, lagoons, and estuaries. However, a smaller but equally fascinating group of puffers has adapted to live exclusively in freshwater. These species occur across Africa and Asia, inhabiting rivers, floodplains, and lakes, and they display

Crayfish and freshwater crabs form a major part of the natural diet of many large pufferfish species. Their composition places them amongst the most suitable and beneficial foods that can be offered to pufferfish in captivity.

Pea pufferfish are among the most misunderstood fish in the aquarium hobby. Their small size, expressive behaviour, and wide availability have made them enormously popular, but that popularity has been matched by a persistent spread of poor, outdated, and often contradictory advice. As a result, many pea puffers are kept in inappropriate conditions, not through neglect, but through misinformation presented as fact. This FAQ continues our Pea Puffer Series , expanding on the f