Can fancy goldfish live with chinese algae eaters?

Verdict
No

No. Fancy goldfish and chinese algae eaters should not share a tank. Fancy goldfish are coldwater animals (65–74°F); chinese algae eaters need 74–80°F. They meet only at 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: 74°Fancy goldfish 65–74°Chinese algae eater 74–80°
The green band is the temperature range both can live in.
456789Both: 7–8Fancy goldfish 7–8Chinese algae eater 6–8
The green band is the pH both tolerate.

Size to scale

Fancy goldfish · 6 inChinese algae eater · 10 in0"2"4"6"8"10"
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 goldfishChinese algae eater
Temperature65–74 °F74–80 °F
pH7–86–8
Adult size6.0 in10.0 in
Minimum tank30 gal75 gal
TemperamentPeacefulSemi-aggressive
Swims atAll levelsBottom
GroupAlone or in pairsAlone or in pairs
DietOmnivoreHerbivore

Better tank mates for fancy goldfish

All fancy goldfish tank mates

Better tank mates for chinese algae eaters

All chinese algae eater tank mates

Questions

Can fancy goldfish live with chinese algae eaters?

No. Fancy goldfish and chinese algae eaters should not share a tank. Fancy goldfish are coldwater animals (65–74°F); chinese algae eaters need 74–80°F. They meet only at 74°F, the edge of both ranges.

What temperature suits both fancy goldfish and chinese algae eaters?

74–74 °F. Fancy goldfish need 65–74 °F, chinese algae eaters need 74–80 °F.

What size tank do fancy goldfish and chinese algae eaters need together?

At least 75 gal, set by the chinese algae eater. Add space for each extra fish.