Can fancy goldfish live with odessa barbs?

Verdict
Yes

Yes, fancy goldfish and odessa barbs can live together. Both are fine at 70–74°F. Plan on at least 30 gal.

Fancy goldfishFancy goldfish65–74°F · pH 7–8 Odessa barbOdessa barb70–79°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 70–74°Fancy goldfish 65–74°Odessa barb 70–79°
The green band is the temperature range both can live in.
456789Both: 7–7.5Fancy goldfish 7–8Odessa barb 6–7.5
The green band is the pH both tolerate.

Size to scale

Fancy goldfish · 6 inOdessa barb · 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

Fancy goldfishOdessa barb
Temperature65–74 °F70–79 °F
pH7–86–7.5
Adult size6.0 in3.0 in
Minimum tank30 gal30 gal
TemperamentPeacefulPeaceful
Swims atAll levelsMiddle
GroupAlone or in pairsGroups of 6+
DietOmnivoreOmnivore

Better tank mates for fancy goldfish

All fancy goldfish tank mates

Better tank mates for odessa barbs

All odessa barb tank mates

Questions

Can fancy goldfish live with odessa barbs?

Yes, fancy goldfish and odessa barbs can live together. Both are fine at 70–74°F. Plan on at least 30 gal.

What temperature suits both fancy goldfish and odessa barbs?

70–74 °F. Fancy goldfish need 65–74 °F, odessa barbs need 70–79 °F.

What size tank do fancy goldfish and odessa barbs need together?

At least 30 gal, set by the fancy goldfish. Add space for each extra fish.