Green Spotted Puffer
Dichotomyctere nigroviridis
Green Spotted Puffer (Dichotomyctere nigroviridis) — Advanced care, Aggressive, under Other. Minimum tank in the app: 32 US gal min; aim for 75–82°F and pH 7–8. The Green Spotted Puffer appeals to experienced aquarists who appreciate its bold personality and unique feeding habits.

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.
Green Spotted Puffer Tank Setup
A tank of at least 120 liters is essential, emphasizing structure with plenty of caves and visual barriers to provide security. Use a sandy substrate to mimic their natural habitat and consider moderate water flow to simulate their native conditions. Lighting should be subdued to create a comfortable environment, reducing stress and encouraging natural behaviors.
What Do Green Spotted Puffers Eat?
This puffer displays a moderate feeding speed, often competing for food, particularly when introduced to tankmates. Offering a varied carnivorous diet, including snails and crustaceans, is crucial for maintaining its health and vibrancy.
Green Spotted Puffer Tank Mates
Ideal companions for the Green Spotted Puffer are robust species of similar size that can withstand its aggressive tendencies, such as larger cichlids or certain catfish. Avoid long-finned or slow-moving tankmates, as these are prime targets for fin-nipping. Intraspecies interactions should be managed by providing space to minimize conflicts, as they can become territorial with one another.
Are Green Spotted 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 territorial nature of the Green Spotted Puffer, leading to inappropriate tankmate selections and subsequent aggression. inadequate tank size or lack of hiding spots can cause stress and behavioral issues, such as increased fin-nipping and reduced feeding activity.
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