Can rainbow sharks live with dwarf gouramis?

Verdict
Yes, with care

Yes, with care. Rainbow sharks and dwarf gouramis can share a tank, but watch one thing. Rainbow sharks are much bigger and pushier than dwarf gouramis, which are slow and easy to bully at feeding time.

Rainbow sharkRainbow shark72–80°F · pH 6.5–7.5 Dwarf gouramiDwarf gourami72–82°F · pH 6–7.5

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–80°Rainbow shark 72–80°Dwarf gourami 72–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Rainbow shark 6.5–7.5Dwarf gourami 6–7.5
The green band is the pH both tolerate.

Size to scale

Rainbow shark · 6 inDwarf gourami · 3 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

Rainbow sharkDwarf gourami
Temperature72–80 °F72–82 °F
pH6.5–7.56–7.5
Adult size6.0 in3.0 in
Minimum tank55 gal10 gal
TemperamentSemi-aggressivePeaceful
Swims atBottomTop
GroupOne per tankAlone or in pairs
DietOmnivoreOmnivore

Better tank mates for rainbow sharks

All rainbow shark tank mates

Better tank mates for dwarf gouramis

All dwarf gourami tank mates

Questions

Can rainbow sharks live with dwarf gouramis?

Yes, with care. Rainbow sharks and dwarf gouramis can share a tank, but watch one thing. Rainbow sharks are much bigger and pushier than dwarf gouramis, which are slow and easy to bully at feeding time.

What temperature suits both rainbow sharks and dwarf gouramis?

72–80 °F. Rainbow sharks need 72–80 °F, dwarf gouramis need 72–82 °F.

What size tank do rainbow sharks and dwarf gouramis need together?

At least 55 gal, set by the rainbow shark. Add space for each extra fish.