Can platies and pygmy corydoras live together?

Yes

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

Platy 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

PlatyPygmy corydorasBoth
Temperature70–80°F (21–27°C)72–79°F (22–26°C)72–79°F (22–26°C)
pH7.0–8.26.4–7.47.0–7.4
Minimum tank10 gal (38 L)10 gal (38 L)10 gal (38 L)
Keep at least36
Adult size2.5 in (6.4 cm)1 in (2.5 cm)

The smallest tank for both

A 10 gallons (38 L) tank holds 3 platies and 6 pygmy corydoras at about 75% of its stocking limit, which leaves room for more.

Other tank mates for platies

Other tank mates for pygmy corydoras