Pufferfish will need lots of space, which translates to a generously-sized tank. Tanks should be filled with plants, décor, and other features to keep your puffers busy and break up sightlines.

A delicacy in Japanese cuisine, puffer fish (fugu) also contain a lethal toxin. Improperly prepared puffer fish can cause the person eating it to experience food poisoning and a swift death. Such a ...