Can apistogramma live with dwarf neon rainbowfish?

Verdict
Yes

Yes. Apistogramma and dwarf neon rainbowfish make a good pair. Both are fine at 75–82°F. Plan on at least 20 gal.

ApistogrammaApistogramma75–84°F · pH 5–7 Dwarf neon rainbowfishDwarf neon rainbowfish75–82°F · pH 6.5–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–82°Apistogramma 75–84°Dwarf neon rainbowfish 75–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7Apistogramma 5–7Dwarf neon rainbowfish 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Apistogramma · 3 inDwarf neon rainbowfish · 2.5 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

ApistogrammaDwarf neon rainbowfish
Temperature75–84 °F75–82 °F
pH5–76.5–7.5
Adult size3.0 in2.5 in
Minimum tank20 gal20 gal
TemperamentSemi-aggressivePeaceful
Swims atBottomMiddle
GroupAlone or in pairsGroups of 6+
DietCarnivoreOmnivore

Better tank mates for apistogramma

All apistogramma tank mates

Better tank mates for dwarf neon rainbowfish

All dwarf neon rainbowfish tank mates

Questions

Can apistogramma live with dwarf neon rainbowfish?

Yes. Apistogramma and dwarf neon rainbowfish make a good pair. Both are fine at 75–82°F. Plan on at least 20 gal.

What temperature suits both apistogramma and dwarf neon rainbowfish?

75–82 °F. Apistogramma need 75–84 °F, dwarf neon rainbowfish need 75–82 °F.

What size tank do apistogramma and dwarf neon rainbowfish need together?

At least 20 gal, set by the apistogramma. Add space for each extra fish.