Can bristlenose plecos live with pygmy corys?

Verdict
Yes

Yes. Bristlenose plecos and pygmy corys get along in the same tank. Both are fine at 73–79°F. Plan on at least 30 gal.

Bristlenose plecoBristlenose pleco73–81°F · pH 6.5–7.5 Pygmy coryPygmy cory72–79°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 73–79°Bristlenose pleco 73–81°Pygmy cory 72–79°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Bristlenose pleco 6.5–7.5Pygmy cory 6–7.5
The green band is the pH both tolerate.

Size to scale

Bristlenose pleco · 5 inPygmy cory · 1 in0"1"2"3"4"5"6"
Adult length in an aquarium. A fish can swallow anything that fits in its mouth, roughly a third to half its own length for predators.

Care at a glance

Bristlenose plecoPygmy cory
Temperature73–81 °F72–79 °F
pH6.5–7.56–7.5
Adult size5.0 in1.0 in
Minimum tank30 gal10 gal
TemperamentPeacefulPeaceful
Swims atBottomMiddle
GroupAlone or in pairsGroups of 6+
DietHerbivoreOmnivore

Better tank mates for bristlenose plecos

All bristlenose pleco tank mates

Better tank mates for pygmy corys

All pygmy cory tank mates

Questions

Can bristlenose plecos live with pygmy corys?

Yes. Bristlenose plecos and pygmy corys get along in the same tank. Both are fine at 73–79°F. Plan on at least 30 gal.

What temperature suits both bristlenose plecos and pygmy corys?

73–79 °F. Bristlenose plecos need 73–81 °F, pygmy corys need 72–79 °F.

What size tank do bristlenose plecos and pygmy corys need together?

At least 30 gal, set by the bristlenose pleco. Add space for each extra fish.