Congo Pufferfish

Tetraodon miurus

Congo Pufferfish (Tetraodon miurus) — Advanced care, Aggressive, under Other. Minimum tank in the app: 26 US gal min; aim for 75–82°F and pH 7–8. The Congo Pufferfish is a captivating choice for experienced aquarists due to its unique predatory behaviors and striking appearance.

Congo Pufferfish (Tetraodon miurus) in a planted freshwater aquarium
Care levelAdvanced
TemperamentAggressive
Min tank size26 US gal min
pH range7–8
Temperature75–82°F
Max size5.9 in (15.0 cm)
Captive lifespan6–15 years
SchoolingNo

Captive lifespan reflects typical experience in a home aquarium, not maximum recorded age; genetics, sourcing, and care vary.

Natural distribution

Asia / South America

  • East & Southeast Asia
  • South America

Regional colours match the stocking calculator’s origin map.

Congo Pufferfish Tank Setup

Create a spacious environment of at least 100 liters with plenty of hiding places using rocks, driftwood, and plants to mimic natural structures. Opt for a moderate water flow and avoid bright, harsh lighting to reduce stress. A sandy substrate is preferable as it allows for burrowing and mimics their natural habitat, enhancing their comfort and reducing predatory instincts.

What Do Congo Pufferfishs Eat?

Congo Puffers are opportunistic feeders, exhibiting a rapid feeding response that can lead to competition if multiple aggressive feeders are present. They thrive on a diet rich in live or frozen foods such as snails and crustaceans, essential for their health.

Congo Pufferfish Tank Mates

Ideal tank mates are robust species that can withstand some aggression, such as larger cichlids or fish with similar size and temperament. Avoid slow, long-finned fish or smaller species, as they are likely to become targets. Intraspecies interactions typically require solitary housing, as they do not shoal and can become aggressive towards one another.

Are Congo Pufferfishs Good for Beginners?

This sits in the advanced range in the app. Strong filtration, stable chemistry, and reading up before purchase matter more than a catchy shop name. Aquarists often underestimate the Congo Puffer's aggression, leading to ill-suited tank mates that suffer from fin damage or stress. failing to provide a properly structured environment can exacerbate territorial behavior and lead to health issues.

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