The figure 8 puffer originates in the brackish (partial salinity) streams and estuaries of Southeast Asia, including Borneo, the Malaysian peninsula, Sumatra, and Thailand. Reaching an adult size of fewer than three inches, Figure 8 puffers are small for pufferfish. Puffers are not well suited to a community tank because they tend to be aggressive. Ideally, figure 8 puffers should be kept alone or in a large aquarium with only a few other fish that thrive in the same partial-salinity habitat. Owners who have kept them in brackish water find that bumblebee gobies, knight gobies, and mollies are suitable companions.

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