Can pygmy corydoras and tiger barbs live together?

Yes

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

Pygmy corydoras Tiger barb

Why

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

What each one needs

Pygmy corydorasTiger barbBoth
Temperature72–79°F (22–26°C)68–79°F (20–26°C)72–79°F (22–26°C)
pH6.4–7.46.0–7.56.4–7.4
Minimum tank10 gal (38 L)20 gal (76 L)20 gal (76 L)
Keep at least66
Adult size1 in (2.5 cm)2.8 in (7.1 cm)

The smallest tank for both

A 20 gallons (76 L) tank holds 6 pygmy corydoras and 6 tiger barbs at about 75% of its stocking limit, which leaves room for more.

Other tank mates for pygmy corydoras

Other tank mates for tiger barbs