Can chili rasboras and mollies live together?

No

Chili rasboras and mollies should not share a tank.

Chili rasbora Molly

Why

  • Mollies want a pH of 7.5 or higher, but chili rasboras want 7.0 or lower. No pH suits both.

What each one needs

Chili rasboraMollyBoth
Temperature68–82°F (20–28°C)72–82°F (22–28°C)72–82°F (22–28°C)
pH4.0–7.07.5–8.5No overlap
Minimum tank5 gal (19 L)20 gal (76 L)20 gal (76 L)
Keep at least63
Adult size0.7 in (1.8 cm)4 in (10.2 cm)

Better tank mates for chili rasboras

Better tank mates for mollies