Description
Figure 8 Puffer – Tetraodon biocellatus
Introduction:
The Figure 8 Puffer (Tetraodon biocellatus) is a striking and popular species among aquarium enthusiasts. Known for its distinctive markings, which resemble a figure eight on its body, this brackish water pufferfish is native to the coastal areas of Southeast Asia. With its unique appearance and playful behavior, it makes a fascinating addition to any aquarium. Typically, it grows to a size of 3-4 inches (7-10 cm) and is perfect for hobbyists with intermediate experience.
1. Natural Habitat and Behavior
The Figure 8 Puffer is found in brackish coastal waters, estuaries, and mangrove swamps in countries such as Thailand, Malaysia, and Indonesia. It thrives in slow-moving waters with a mix of freshwater and saltwater. In the wild, it is known to be an inquisitive and territorial species, often foraging for small invertebrates, snails, and crustaceans. It enjoys hiding in caves or submerged driftwood, especially when it feels threatened.
2. Aquarium Setup
A minimum tank size of 30 gallons (114 liters) is recommended for a Figure 8 Puffer, as it needs space to swim freely. These pufferfish do best in brackish water with a specific gravity of around 1.005-1.010 and a pH range of 7.5 to 8.5. They also prefer temperatures between 75-80°F (24-27°C). The tank should include rocky structures, driftwood, and plants that are tolerant of brackish conditions. A soft substrate is ideal, as it helps prevent injury to their sensitive underside.
3. Diet and Feeding
Figure 8 Puffers are carnivorous and primarily eat live or frozen foods, such as bloodworms, brine shrimp, snails, and small crustaceans. Snails are especially important for maintaining healthy teeth, as they help grind down the pufferfish’s ever-growing beak-like teeth. Feed your Figure 8 Puffer 2-3 times a day, offering small portions that they can consume in a short period. Overfeeding can lead to poor water quality.
4. Compatibility with Other Fish
The Figure 8 Puffer can be territorial and should be kept with caution. They may not be compatible with smaller or slow-moving fish, as they are known to nip fins. It’s best to house them with similarly sized, non-aggressive species that are also tolerant of brackish water. Suitable tankmates include larger livebearers, peaceful cichlids, and robust saltwater species. Avoid keeping them with other pufferfish, as they may become aggressive.
5. Common Challenges and Tips
- Aggression: While Figure 8 Puffers can be social, they may also display aggression, especially toward other fish that invade their territory. Providing plenty of hiding spots and territories can help reduce stress and conflicts.
- Water Quality: Maintaining brackish water is crucial for the health of this species. Regular water changes and monitoring of salinity levels are essential to ensure optimal conditions.
- Feeding: A diet rich in live or frozen foods is vital to keep your Figure 8 Puffer healthy. Ensure they are getting enough snails to wear down their teeth and avoid dental issues.
- Tank Size: While small, Figure 8 Puffers need space to roam. Avoid overcrowding to minimize stress and territorial disputes.
Conclusion
The Figure 8 Puffer (Tetraodon biocellatus) is a striking, active, and relatively hardy brackish water fish that can be a rewarding addition to aquariums. Its unique markings, playful personality, and territorial nature make it an exciting species for more experienced aquarists. With the right tank setup, diet, and care, the Figure 8 Puffer can live a long and healthy life in your aquarium.