Humpback Puffer
Tetraodontidae sp.
Humpback Puffer (Tetraodontidae sp.) — Advanced care, Aggressive, under Other. Minimum tank in the app: 32 US gal min; aim for 75–82°F and pH 7–8. The Humpback Puffer is suited for experienced aquarists who appreciate unique personalities in their tanks.

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.
Humpback Puffer Tank Setup
Create a dynamic environment with ample hiding spots and varied structures to mitigate aggression. Use smooth substrates to prevent injuries, moderate flow to accommodate its swimming style, and subdued lighting to reduce stress. Ensure a minimum of 120 liters to provide the puffer with sufficient personal space to establish its territory.
What Do Humpback Puffers Eat?
This carnivorous species feeds aggressively, requiring a diet rich in snails and crustaceans. Competition during feeding can be fierce, so provide ample food at varied times to ensure nutritional balance.
Humpback Puffer Tank Mates
Best housed with robust, similarly sized tankmates that can hold their own against its aggressive tendencies, such as larger cichlids or certain catfish. Avoid slow-moving or long-finned fish, which are likely to become targets. Intraspecies aggression is high; keeping only one Humpback Puffer is recommended to prevent conflict.
Are Humpback Puffers 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 Humpback Puffer's aggressive nature, leading to incompatible tankmate selections. Overcrowding and inadequate hiding spots can exacerbate stress and territorial disputes, resulting in injuries or fatal confrontations.
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