Can rummy nose tetras live with endlers?

Verdict
Yes, with care

Yes, with care. Rummy nose tetras and endlers 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 Endler's livebearerEndler's livebearer72–82°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°Endler's livebearer 72–82°
The green band is the temperature range both can live in.
456789Both: 7Rummy nose tetra 5.5–7Endler's livebearer 7–8
The green band is the pH both tolerate.

Size to scale

Rummy nose tetra · 2 inEndler's livebearer · 1 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 tetraEndler's livebearer
Temperature75–84 °F72–82 °F
pH5.5–77–8
Adult size2.0 in1.0 in
Minimum tank20 gal5 gal
TemperamentPeacefulPeaceful
Swims atMiddleTop
GroupGroups of 6+Groups of 3+
DietOmnivoreOmnivore

Better tank mates for rummy nose tetras

All rummy nose tetra tank mates

Better tank mates for endlers

All endler's livebearer tank mates

Questions

Can rummy nose tetras live with endlers?

Yes, with care. Rummy nose tetras and endlers 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 endlers?

75–82 °F. Rummy nose tetras need 75–84 °F, endlers need 72–82 °F.

What size tank do rummy nose tetras and endlers need together?

At least 20 gal, set by the rummy nose tetra. Add space for each extra fish.