Can goldfish live with bala sharks?

Verdict
No

No. Goldfish and bala sharks should not share a tank. Goldfish are coldwater animals (60–74°F); bala sharks need 72–82°F. They overlap only at 72–74°F, the edge of both ranges.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–74°Goldfish 60–74°Bala shark 72–82°
The green band is the temperature range both can live in.
456789Both: 7–7.5Goldfish 7–8Bala shark 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Goldfish · 10 inBala shark · 13 in0"2"4"6"8"10"12"
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

GoldfishBala shark
Temperature60–74 °F72–82 °F
pH7–86.5–7.5
Adult size10.0 in13.0 in
Minimum tank40 gal125 gal
TemperamentPeacefulPeaceful
Swims atAll levelsMiddle
GroupAlone or in pairsGroups of 4+
DietOmnivoreOmnivore

Better tank mates for goldfish

All goldfish tank mates

Better tank mates for bala sharks

All bala shark tank mates

Questions

Can goldfish live with bala sharks?

No. Goldfish and bala sharks should not share a tank. Goldfish are coldwater animals (60–74°F); bala sharks need 72–82°F. They overlap only at 72–74°F, the edge of both ranges.

What temperature suits both goldfish and bala sharks?

72–74 °F. Goldfish need 60–74 °F, bala sharks need 72–82 °F.

What size tank do goldfish and bala sharks need together?

At least 125 gal, set by the bala shark. Add space for each extra fish.