Can rummy nose tetras live with chinese algae eaters?

Verdict
Yes

Yes, rummy nose tetras and chinese algae eaters can live together. Both are fine at 75–80°F. Plan on at least 75 gal.

Rummy nose tetraRummy nose tetra75–84°F · pH 5.5–7 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: 75–80°Rummy nose tetra 75–84°Chinese algae eater 74–80°
The green band is the temperature range both can live in.
456789Both: 6–7Rummy nose tetra 5.5–7Chinese algae eater 6–8
The green band is the pH both tolerate.

Size to scale

Rummy nose tetra · 2 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

Rummy nose tetraChinese algae eater
Temperature75–84 °F74–80 °F
pH5.5–76–8
Adult size2.0 in10.0 in
Minimum tank20 gal75 gal
TemperamentPeacefulSemi-aggressive
Swims atMiddleBottom
GroupGroups of 6+Alone or in pairs
DietOmnivoreHerbivore

Better tank mates for rummy nose tetras

All rummy nose tetra tank mates

Better tank mates for chinese algae eaters

All chinese algae eater tank mates

Questions

Can rummy nose tetras live with chinese algae eaters?

Yes, rummy nose tetras and chinese algae eaters can live together. Both are fine at 75–80°F. Plan on at least 75 gal.

What temperature suits both rummy nose tetras and chinese algae eaters?

75–80 °F. Rummy nose tetras need 75–84 °F, chinese algae eaters need 74–80 °F.

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

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