Can Molly and Pea Puffer live together?

Molly 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

Molly vs Pea Puffer

Molly

Poecilia sphenops

Pea Puffer

Carinotetraodon travancoricus

Verdict:Not compatible

Side-by-side specs

Livebearers

Family

Puffers

4″

Adult size

1.4″

20gal

Min tank

10gal

72–82°F

Temperature

74–82°F

7.5–8.5

6.5–7.5

peaceful

Temperament

aggressive

Schooling

Solitary

mid

Water level

mid

Compatibility notes

criticalMolly grows large enough (4") to eat Pea Puffer (1.4").

Try both in the builder →Compare different species