What fish can live with Silver Arowana?

Silver Arowana pairs well with Cardinal Tetra, Rummynose Tetra, Harlequin Rasbora, Fancy Guppy, Platy, Molly. Compatibility depends on tank size, water parameters, and stocking density; the full list on this page ranks every checked pairing.

Species Profile

Silver Arowana

Osteoglossum bicirrhosum

Also known as: Dragon Fish, Monkey Fish

Oddballssemi-aggressive

Adult size

36″

Minimum tank

250 gal

Temperature

75–82°F

6–7.5

Schooling

Solitary OK

Water level

top

Grows from juvenile

Typically sold at ~4″ and reaches 36″ over ~3 years. Plan tank size for the adult, not the fish at purchase.

Diet

Large frozen fish, krill, shrimp, occasional pellets

Notes

Three-foot prehistoric-looking surface predator. Jumps out of the water in the wild and in captivity, covered tanks ONLY. Eats anything that fits in its mouth. 250gal+ adult tank; do NOT buy a juvenile without that tank ready.

Compatible Tankmates

Best tank mates for Silver Arowana

Every species below passes the compatibility engine when paired with Silver Arowanain a suitably sized tank. Verdicts come from the same rules the builder uses — click a card to see that species' own care profile and its tank mates in turn.