Can jack dempseys live with siamese algae eaters?

Verdict
No

No. Jack dempseys and siamese algae eaters should not share a tank. Jack dempseys are aggressive and will bully peaceful siamese algae eaters.

Jack DempseyJack Dempsey72–86°F · pH 6.5–7.5 Siamese algae eaterSiamese algae eater75–79°F · pH 6.5–7.5

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–79°Jack Dempsey 72–86°Siamese algae eater 75–79°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Jack Dempsey 6.5–7.5Siamese algae eater 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Jack Dempsey · 10 inSiamese algae eater · 6 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

Jack DempseySiamese algae eater
Temperature72–86 °F75–79 °F
pH6.5–7.56.5–7.5
Adult size10.0 in6.0 in
Minimum tank55 gal30 gal
TemperamentAggressivePeaceful
Swims atMiddleBottom
GroupAlone or in pairsAlone or in pairs
DietCarnivoreHerbivore

Better tank mates for jack dempseys

All jack dempsey tank mates

Better tank mates for siamese algae eaters

All siamese algae eater tank mates

Questions

Can jack dempseys live with siamese algae eaters?

No. Jack dempseys and siamese algae eaters should not share a tank. Jack dempseys are aggressive and will bully peaceful siamese algae eaters.

What temperature suits both jack dempseys and siamese algae eaters?

75–79 °F. Jack dempseys need 72–86 °F, siamese algae eaters need 75–79 °F.

What size tank do jack dempseys and siamese algae eaters need together?

At least 55 gal, set by the jack dempsey. Add space for each extra fish.