Can crayfish live with zebra plecos?

Verdict
No

No. Crayfish and zebra plecos should not share a tank. No shared temperature. Crayfish need 65–77°F, zebra plecos need 79–88°F.

CrayfishCrayfish65–77°F · pH 6.5–8 Zebra plecoZebra pleco79–88°F · pH 6–7.5

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Crayfish 65–77°Zebra pleco 79–88°
The ranges do not meet, so one of them would always be too warm or too cold.
456789Both: 6.5–7.5Crayfish 6.5–8Zebra pleco 6–7.5
The green band is the pH both tolerate.

Size to scale

Crayfish · 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

CrayfishZebra pleco
Temperature65–77 °F79–88 °F
pH6.5–86–7.5
Adult size5.0 in3.5 in
Minimum tank20 gal30 gal
TemperamentAggressivePeaceful
Swims atBottomBottom
GroupOne per tankAlone or in pairs
DietOmnivoreCarnivore

Better tank mates for crayfish

All crayfish tank mates

Better tank mates for zebra plecos

All zebra pleco tank mates

Questions

Can crayfish live with zebra plecos?

No. Crayfish and zebra plecos should not share a tank. No shared temperature. Crayfish need 65–77°F, zebra plecos need 79–88°F.

What temperature suits both crayfish and zebra plecos?

None. Crayfish need 65–77 °F and zebra plecos need 79–88 °F, so the ranges do not meet.

What size tank do crayfish and zebra plecos need together?

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