Can serpae tetras live with boesemani rainbowfish?

Verdict
Yes

Yes, serpae tetras and boesemani rainbowfish can live together. Both are fine at 75–79°F. Plan on at least 30 gal.

Serpae tetraSerpae tetra72–79°F · pH 6–7.5 Boesemani rainbowfishBoesemani rainbowfish75–82°F · pH 7–8

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–79°Serpae tetra 72–79°Boesemani rainbowfish 75–82°
The green band is the temperature range both can live in.
456789Both: 7–7.5Serpae tetra 6–7.5Boesemani rainbowfish 7–8
The green band is the pH both tolerate.

Size to scale

Serpae tetra · 1.75 inBoesemani rainbowfish · 4 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

Serpae tetraBoesemani rainbowfish
Temperature72–79 °F75–82 °F
pH6–7.57–8
Adult size1.75 in4.0 in
Minimum tank20 gal30 gal
TemperamentSemi-aggressivePeaceful
Swims atMiddleMiddle
GroupGroups of 6+Groups of 6+
DietOmnivoreOmnivore

Better tank mates for serpae tetras

All serpae tetra tank mates

Better tank mates for boesemani rainbowfish

All boesemani rainbowfish tank mates

Questions

Can serpae tetras live with boesemani rainbowfish?

Yes, serpae tetras and boesemani rainbowfish can live together. Both are fine at 75–79°F. Plan on at least 30 gal.

What temperature suits both serpae tetras and boesemani rainbowfish?

75–79 °F. Serpae tetras need 72–79 °F, boesemani rainbowfish need 75–82 °F.

What size tank do serpae tetras and boesemani rainbowfish need together?

At least 30 gal, set by the boesemani rainbowfish. Add space for each extra fish.