Can chili rasboras and pygmy corydoras live together?

Yes

Chili rasboras and pygmy corydoras can share a tank. Their water needs overlap and neither is known to bother the other.

Chili rasbora Pygmy corydoras

Why

  • Their temperature and pH ranges overlap comfortably, and neither is known to nip, chase or eat the other.

What each one needs

Chili rasboraPygmy corydorasBoth
Temperature68–82°F (20–28°C)72–79°F (22–26°C)72–79°F (22–26°C)
pH4.0–7.06.4–7.46.4–7.0
Minimum tank5 gal (19 L)10 gal (38 L)10 gal (38 L)
Keep at least66
Adult size0.7 in (1.8 cm)1 in (2.5 cm)

The smallest tank for both

A 10 gallons (38 L) tank holds 6 chili rasboras and 6 pygmy corydoras at about 48% of its stocking limit, which leaves room for more.

Other tank mates for chili rasboras

Other tank mates for pygmy corydoras