Can neon tetras and pygmy corydoras live together?

Yes

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

Neon tetra 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

Neon tetraPygmy corydorasBoth
Temperature70–81°F (21–27°C)72–79°F (22–26°C)72–79°F (22–26°C)
pH6.0–7.06.4–7.46.4–7.0
Minimum tank10 gal (38 L)10 gal (38 L)10 gal (38 L)
Keep at least66
Adult size1.5 in (3.8 cm)1 in (2.5 cm)

The smallest tank for both

A 10 gallons (38 L) tank holds 6 neon tetras and 6 pygmy corydoras at about 78% of its stocking limit, which leaves room for more.

Other tank mates for neon tetras

Other tank mates for pygmy corydoras