Can Red Dwarf Betta Live With Red Eye Tetra?

Red Dwarf Betta and Red Eye Tetra CAN coexist, but with some risks. Careful setup and monitoring required.

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 75–82°F.

pH ⚠ Use Caution

Very narrow pH overlap (5.5–5.5). Hard to maintain precisely.

Size ✓ Compatible

Compatible sizes (1.2" and 2.5").

Temperament ✓ Compatible

Both fish have compatible temperaments.

Swim Level ✓ Compatible

Fish occupy different water levels (Red Dwarf Betta: top, Red Eye Tetra: middle), reducing conflict.

Important Notes

  • Red Eye Tetra is a schooling fish and needs at least 6 of its kind.

Tank Requirements

Minimum tank size for this combination: 20 gallons

ParameterRed Dwarf BettaRed Eye Tetra
Temperature75–82°F72–82°F
pH3.5–5.55.5–8.5
Max Size1.2"2.5"
TemperamentPeacefulPeaceful
Swim LevelTopMiddle
Min Tank5 gal20 gal

Check More Combinations

Use our compatibility checker to add more fish and plan your complete tank.