Can rummy nose tetras live with siamese algae eaters?

Verdict
Yes

Yes, rummy nose tetras and siamese algae eaters can live together. Both are fine at 75–79°F. Plan on at least 30 gal.

Rummy nose tetraRummy nose tetra75–84°F · pH 5.5–7 Siamese algae eaterSiamese algae eater75–79°F · pH 6.5–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–79°Rummy nose tetra 75–84°Siamese algae eater 75–79°
The green band is the temperature range both can live in.
456789Both: 6.5–7Rummy nose tetra 5.5–7Siamese algae eater 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Rummy nose tetra · 2 inSiamese algae eater · 6 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

Rummy nose tetraSiamese algae eater
Temperature75–84 °F75–79 °F
pH5.5–76.5–7.5
Adult size2.0 in6.0 in
Minimum tank20 gal30 gal
TemperamentPeacefulPeaceful
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 siamese algae eaters

All siamese algae eater tank mates

Questions

Can rummy nose tetras live with siamese algae eaters?

Yes, rummy nose tetras and siamese algae eaters can live together. Both are fine at 75–79°F. Plan on at least 30 gal.

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

75–79 °F. Rummy nose tetras need 75–84 °F, siamese algae eaters need 75–79 °F.

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

At least 30 gal, set by the siamese algae eater. Add space for each extra fish.