The Figure 8 Pufferfish, scientifically known as Tetraodon biocellatus, is a captivating and charismatic freshwater pufferfish species. Known for its distinctive markings resembling the number "8" on its body, this pufferfish is a popular choice among aquarium enthusiasts seeking a unique and engaging aquatic companion.

The Figure 8 Pufferfish is relatively small, reaching an average size of 2 to 3 inches (5 to 7.5 cm). Its most distinguishing feature is the pattern on its back, resembling the number 8 or an hourglass. The body is typically yellow to olive-green, and the eyes are large, giving it an endearing appearance.

Native to brackish waters in Southeast Asia, including regions of Malaysia, Thailand, and Indonesia, the Figure 8 Pufferfish is adaptable to various environments. In the wild, they inhabit estuaries, slow-moving rivers, and coastal areas with a mix of freshwater and saltwater.

Creating an appropriate tank environment is crucial for the well-being of Figure 8 Pufferfish. A tank of at least 20 gallons is recommended, with a mix of freshwater and marine aquarium salt to replicate their natural habitat. They thrive in temperatures ranging from 75 to 82°F (24 to 28°C).

Maintaining suitable water conditions is essential for the health of Figure 8 Pufferfish. They prefer slightly brackish water with a specific gravity ranging from 1.005 to 1.008. Regular water changes, good filtration, and proper salinity levels contribute to their overall well-being.

Figure 8 Pufferfish are carnivorous and enjoy a diet consisting of a variety of live or frozen foods. They have strong beaks that continuously grow, so providing hard-shelled foods like snails, crustaceans, and occasional krill helps keep their beaks trimmed.

Known for their inquisitive and active nature, Figure 8 Pufferfish exhibit playful behaviors. They are intelligent and enjoy exploring their surroundings. While generally considered peaceful, they may display territorial behavior, especially during breeding.

Figure 8 Pufferfish can be kept in a community tank with other brackish water species that share similar temperament and water requirements. However, it's crucial to monitor tank mates to ensure they are not aggressive or likely to nip at the puffer's fins.

The Figure 8 Pufferfish is a charming and entertaining addition to brackish water aquariums. With proper care, attention to water parameters, and a suitable diet, these pufferfish thrive and become a delightful centerpiece in any aquatic setup.