Can pygmy corydoras and kuhli loaches live together?

Yes

Pygmy corydoras and kuhli loaches can share a tank. Their water needs overlap and neither is known to bother the other.

Pygmy corydoras Kuhli loach

Why

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

What each one needs

Pygmy corydorasKuhli loachBoth
Temperature72–79°F (22–26°C)75–86°F (24–30°C)75–79°F (24–26°C)
pH6.4–7.45.5–7.06.4–7.0
Minimum tank10 gal (38 L)20 gal (76 L)20 gal (76 L)
Keep at least65
Adult size1 in (2.5 cm)4 in (10.2 cm)

The smallest tank for both

A 20 gallons (76 L) tank holds 6 pygmy corydoras and 5 kuhli loaches at about 53% of its stocking limit, which leaves room for more.

Other tank mates for pygmy corydoras

Other tank mates for kuhli loaches