Can Male Betta and Buenos Aires Tetra live together?

Male Betta and Buenos Aires Tetra 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 Buenos Aires Tetra

Male Betta

Betta splendens

Buenos Aires Tetra

Hyphessobrycon anisitsi

Verdict:Not compatible

Side-by-side specs

Anabantoids

Family

Tetras

2.5″

Adult size

3″

5gal

Min tank

30gal

76–82°F

Temperature

64–79°F

6.5–7.5

6.5–8.5

semi-aggressive

Temperament

fin-nipper

Solitary

Schooling

top

Water level

mid

Compatibility notes

warnMale Betta and Buenos Aires Tetra only narrowly overlap in temperature — keep within 76–79°F.
criticalBuenos Aires Tetra is a fin-nipper — it will harass Male Betta's long fins.

Try both in the builder →Compare different species