Can platies and bristlenose plecos live together?

Yes

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

Platy Bristlenose pleco

Why

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

What each one needs

PlatyBristlenose plecoBoth
Temperature70–80°F (21–27°C)73–81°F (23–27°C)73–80°F (23–27°C)
pH7.0–8.26.5–7.57.0–7.5
Minimum tank10 gal (38 L)29 gal (110 L)29 gal (110 L)
Keep at least31
Adult size2.5 in (6.4 cm)5 in (12.7 cm)

The smallest tank for both

A 29 gallons (110 L) tank holds 3 platies and 1 bristlenose pleco at about 33% of its stocking limit, which leaves room for more.

Other tank mates for platies

Other tank mates for bristlenose plecos