Can zebra plecos live with hatchetfish?

Verdict
Yes

Yes. Zebra plecos and hatchetfish make a good pair. Both are fine at 79–81°F. Plan on at least 30 gal.

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 79–81°Zebra pleco 79–88°Hatchetfish 75–81°
The green band is the temperature range both can live in.
456789Both: 6–7.5Zebra pleco 6–7.5Hatchetfish 5.5–7.5
The green band is the pH both tolerate.

Size to scale

Zebra pleco · 3.5 inHatchetfish · 1.5 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

Zebra plecoHatchetfish
Temperature79–88 °F75–81 °F
pH6–7.55.5–7.5
Adult size3.5 in1.5 in
Minimum tank30 gal20 gal
TemperamentPeacefulPeaceful
Swims atBottomTop
GroupAlone or in pairsGroups of 6+
DietCarnivoreCarnivore

Better tank mates for zebra plecos

All zebra pleco tank mates

Better tank mates for hatchetfish

All hatchetfish tank mates

Questions

Can zebra plecos live with hatchetfish?

Yes. Zebra plecos and hatchetfish make a good pair. Both are fine at 79–81°F. Plan on at least 30 gal.

What temperature suits both zebra plecos and hatchetfish?

79–81 °F. Zebra plecos need 79–88 °F, hatchetfish need 75–81 °F.

What size tank do zebra plecos and hatchetfish need together?

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