Can paradise fish live with dwarf neon rainbowfish?

Verdict
Yes

Yes, paradise fish and dwarf neon rainbowfish can live together. Both are fine at 75–79°F. Plan on at least 20 gal.

Paradise fishParadise fish61–79°F · pH 6–8 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: 75–79°Paradise fish 61–79°Dwarf neon rainbowfish 75–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Paradise fish 6–8Dwarf neon rainbowfish 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Paradise fish · 3.5 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

Paradise fishDwarf neon rainbowfish
Temperature61–79 °F75–82 °F
pH6–86.5–7.5
Adult size3.5 in2.5 in
Minimum tank20 gal20 gal
TemperamentSemi-aggressivePeaceful
Swims atTopMiddle
GroupOne per tankGroups of 6+
DietOmnivoreOmnivore

Better tank mates for paradise fish

All paradise fish tank mates

Better tank mates for dwarf neon rainbowfish

All dwarf neon rainbowfish tank mates

Questions

Can paradise fish live with dwarf neon rainbowfish?

Yes, paradise fish and dwarf neon rainbowfish can live together. Both are fine at 75–79°F. Plan on at least 20 gal.

What temperature suits both paradise fish and dwarf neon rainbowfish?

75–79 °F. Paradise fish need 61–79 °F, dwarf neon rainbowfish need 75–82 °F.

What size tank do paradise fish and dwarf neon rainbowfish need together?

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