Can Male Betta and Pea Puffer live together?

Male Betta and Pea Puffer are not compatible. The comparison on this page runs the same compatibility engine as the tank builder, checking temperature and pH overlap, predation by size, temperament, and known hard-pair conflicts.

Species Comparison

Male Betta vs Pea Puffer

Male Betta

Betta splendens

Pea Puffer

Carinotetraodon travancoricus

Verdict:Not compatible

Side-by-side specs

Anabantoids

Family

Puffers

2.5″

Adult size

1.4″

5gal

Min tank

10gal

76–82°F

Temperature

74–82°F

6.5–7.5

semi-aggressive

Temperament

aggressive

Solitary

Schooling

Solitary

top

Water level

mid

Compatibility notes

criticalMale Betta + Pea Puffer: Pea puffers and bettas are mutually destructive.

Try both in the builder →Compare different species