Can bristlenose plecos and tiger barbs live together?

Yes

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

Bristlenose pleco 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

Bristlenose plecoTiger barbBoth
Temperature73–81°F (23–27°C)68–79°F (20–26°C)73–79°F (23–26°C)
pH6.5–7.56.0–7.56.5–7.5
Minimum tank29 gal (110 L)20 gal (76 L)29 gal (110 L)
Keep at least16
Adult size5 in (12.7 cm)2.8 in (7.1 cm)

The smallest tank for both

A 29 gallons (110 L) tank holds 1 bristlenose pleco and 6 tiger barbs at about 59% of its stocking limit, which leaves room for more.

Other tank mates for bristlenose plecos

Other tank mates for tiger barbs