Can rummy nose tetras live with boesemani rainbowfish?

Verdict
Yes, with care

Yes, with care. Rummy nose tetras and boesemani rainbowfish can share a tank, but watch one thing. Water chemistry is a squeeze. The only pH that suits both is around 7.

Rummy nose tetraRummy nose tetra75–84°F · pH 5.5–7 Boesemani rainbowfishBoesemani rainbowfish75–82°F · pH 7–8

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–82°Rummy nose tetra 75–84°Boesemani rainbowfish 75–82°
The green band is the temperature range both can live in.
456789Both: 7Rummy nose tetra 5.5–7Boesemani rainbowfish 7–8
The green band is the pH both tolerate.

Size to scale

Rummy nose tetra · 2 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

Rummy nose tetraBoesemani rainbowfish
Temperature75–84 °F75–82 °F
pH5.5–77–8
Adult size2.0 in4.0 in
Minimum tank20 gal30 gal
TemperamentPeacefulPeaceful
Swims atMiddleMiddle
GroupGroups of 6+Groups of 6+
DietOmnivoreOmnivore

Better tank mates for rummy nose tetras

All rummy nose tetra tank mates

Better tank mates for boesemani rainbowfish

All boesemani rainbowfish tank mates

Questions

Can rummy nose tetras live with boesemani rainbowfish?

Yes, with care. Rummy nose tetras and boesemani rainbowfish can share a tank, but watch one thing. Water chemistry is a squeeze. The only pH that suits both is around 7.

What temperature suits both rummy nose tetras and boesemani rainbowfish?

75–82 °F. Rummy nose tetras need 75–84 °F, boesemani rainbowfish need 75–82 °F.

What size tank do rummy nose tetras and boesemani rainbowfish need together?

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