Can serpae tetras live with chinese algae eaters?

Verdict
Yes

Yes. Serpae tetras and chinese algae eaters get along in the same tank. Both are fine at 74–79°F. Plan on at least 75 gal.

Serpae tetraSerpae tetra72–79°F · pH 6–7.5 Chinese algae eaterChinese algae eater74–80°F · pH 6–8

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 74–79°Serpae tetra 72–79°Chinese algae eater 74–80°
The green band is the temperature range both can live in.
456789Both: 6–7.5Serpae tetra 6–7.5Chinese algae eater 6–8
The green band is the pH both tolerate.

Size to scale

Serpae tetra · 1.75 inChinese algae eater · 10 in0"2"4"6"8"10"
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

Serpae tetraChinese algae eater
Temperature72–79 °F74–80 °F
pH6–7.56–8
Adult size1.75 in10.0 in
Minimum tank20 gal75 gal
TemperamentSemi-aggressiveSemi-aggressive
Swims atMiddleBottom
GroupGroups of 6+Alone or in pairs
DietOmnivoreHerbivore

Better tank mates for serpae tetras

All serpae tetra tank mates

Better tank mates for chinese algae eaters

All chinese algae eater tank mates

Questions

Can serpae tetras live with chinese algae eaters?

Yes. Serpae tetras and chinese algae eaters get along in the same tank. Both are fine at 74–79°F. Plan on at least 75 gal.

What temperature suits both serpae tetras and chinese algae eaters?

74–79 °F. Serpae tetras need 72–79 °F, chinese algae eaters need 74–80 °F.

What size tank do serpae tetras and chinese algae eaters need together?

At least 75 gal, set by the chinese algae eater. Add space for each extra fish.