Can bettas live with zebra plecos?

Verdict
Yes

Yes. Bettas and zebra plecos get along in the same tank. Both are fine at 79–82°F. Plan on at least 30 gal.

BettaBetta76–82°F · pH 6.5–7.5 Zebra plecoZebra pleco79–88°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 79–82°Betta 76–82°Zebra pleco 79–88°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Betta 6.5–7.5Zebra pleco 6–7.5
The green band is the pH both tolerate.

Size to scale

Betta · 2.5 inZebra pleco · 3.5 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

BettaZebra pleco
Temperature76–82 °F79–88 °F
pH6.5–7.56–7.5
Adult size2.5 in3.5 in
Minimum tank5 gal30 gal
TemperamentSemi-aggressivePeaceful
Swims atTopBottom
GroupOne per tankAlone or in pairs
DietCarnivoreCarnivore

Better tank mates for bettas

All betta tank mates

Better tank mates for zebra plecos

All zebra pleco tank mates

Questions

Can bettas live with zebra plecos?

Yes. Bettas and zebra plecos get along in the same tank. Both are fine at 79–82°F. Plan on at least 30 gal.

What temperature suits both bettas and zebra plecos?

79–82 °F. Bettas need 76–82 °F, zebra plecos need 79–88 °F.

What size tank do bettas and zebra plecos need together?

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