Species Profile
Green Spotted Puffer
Dichotomyctere nigroviridis
Also known as: GSP, Tetraodon Nigroviridis
Puffersaggressive
Adult size
6″
Minimum tank
30 gal
Temperature
75–82°F
pH
8–8.4
Schooling
Solitary OK
Water level
mid
Grows from juvenile
Typically sold at ~1″ and reaches 6″ over ~1 year. Plan tank size for the adult, not the fish at purchase.Diet
Snails, mussels, hard-shelled shrimp, crabs
Notes
Often sold as freshwater but is actually a brackish-to-marine species — adults need full marine salinity (specific gravity 1.018+). Bright green with black spots. Aggressive species-only.
Photo: Guérin Nicolas (messages) / Wikimedia Commons · Source · CC-BY-SA-3.0