TankScore

Species · Carinotetraodon travancoricus

Pea puffer: tank size, water and tank mates

Fin-nipper best kept species-only; eats snails and shrimp; needs live/frozen food.

Adult size3.5 cm (1.4 in)
Minimum tank5 US gal
Temperature23–28 °C (73–82 °F)
pH7.5–8
Temperamentaggressive
Keep in groups ofAlone or pairs
Swimsall
Shrimp & snailsLikely to eat them

Fin nipper: avoid long-finned tank mates such as bettas, fancy guppies and angelfish.

Predator: may eat fish up to about 1 cm.

Check a tank with Pea puffer

Good tank mates for Pea puffer

These species share its temperature range and temperament, with no fin-nipping or predation risk under our rules. Still check your tank size and bioload in the checker.

Buenos Aires tetra · Bumblebee goby · Dwarf gourami · Firemouth cichlid · Kribensis · Multies (shell dweller) · Serpae tetra · Swordtail · Three-spot gourami · Tiger barb

Avoid with Pea puffer

African butterflyfish (predation) · African dwarf frog (aggression) · Amano shrimp (predation) · Assassin snail (predation) · Bala shark (aggression) · Banded archerfish (predation) · Banjo catfish (aggression) · Black ghost knifefish (predation) · Black neon tetra (aggression) · Black phantom tetra (aggression) · Black ruby barb (aggression) · Bleeding heart tetra (aggression) · Bloodfin tetra (aggression) · Blue acara (predation) · Boeseman's rainbowfish (aggression) · Bolivian ram (aggression) · Bristlenose pleco (aggression) · Bronze corydoras (aggression)

Sources

Checked 2026-11-09 · confidence: high. These are cautious community guidelines, not guarantees. Not veterinary advice. Report an error.