Can rams live with paradise fish?

Verdict
No

No. Rams and paradise fish should not share a tank. No shared temperature. Rams need 80–86°F, paradise fish need 61–79°F.

German blue ramGerman blue ram80–86°F · pH 5–7 Paradise fishParadise fish61–79°F · pH 6–8

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°German blue ram 80–86°Paradise fish 61–79°
The ranges do not meet, so one of them would always be too warm or too cold.
456789Both: 6–7German blue ram 5–7Paradise fish 6–8
The green band is the pH both tolerate.

Size to scale

German blue ram · 2.5 inParadise fish · 3.5 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

German blue ramParadise fish
Temperature80–86 °F61–79 °F
pH5–76–8
Adult size2.5 in3.5 in
Minimum tank20 gal20 gal
TemperamentPeacefulSemi-aggressive
Swims atBottomTop
GroupAlone or in pairsOne per tank
DietOmnivoreOmnivore

Better tank mates for rams

All german blue ram tank mates

Better tank mates for paradise fish

All paradise fish tank mates

Questions

Can rams live with paradise fish?

No. Rams and paradise fish should not share a tank. No shared temperature. Rams need 80–86°F, paradise fish need 61–79°F.

What temperature suits both rams and paradise fish?

None. Rams need 80–86 °F and paradise fish need 61–79 °F, so the ranges do not meet.

What size tank do rams and paradise fish need together?

At least 20 gal, set by the german blue ram. Add space for each extra fish.