The Figure 8 Puffer is dark brown to green on the back with a white underside. These fish have many yellow lines and spots covering the backside of the fish, giving it an interesting look. Also there are a few black spots that are outlined in yellow on the tail, body and nose.
The ideal aquarium will have brackish water at a salinity level of 1.005-1.010. many plants (either real or plastic), rocks with plenty of hiding places, and a sandy bottom composed of an aragonite-based sand. The Figure 8 Puffer can be aggressive to members of its own species, so care should be taken when housed together. While this species can live in freshwater unlike the green spotted it must be acclimated to this condition slowly, and vice versa, however living in strictly freshwater is not recommended as this may shorten it's lifespan and cause overall health problems