Can Male Betta and Diamond Tetra live together?

Male Betta and Diamond Tetra are 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 Diamond Tetra

Verdict:Compatible

Side-by-side specs

Anabantoids

Family

Tetras

2.5″

Adult size

2.5″

5gal

Min tank

20gal

76–82°F

Temperature

73–82°F

6.5–7.5

5.5–7.5

semi-aggressive

Temperament

peaceful

Solitary

Schooling

top

Water level

mid

Try both in the builder →Compare different species