Can siamese algae eaters live with odessa barbs?

Verdict
Yes

Yes, siamese algae eaters and odessa barbs can live together. Both are fine at 75–79°F. Plan on at least 30 gal.

Siamese algae eaterSiamese algae eater75–79°F · pH 6.5–7.5 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: 75–79°Siamese algae eater 75–79°Odessa barb 70–79°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Siamese algae eater 6.5–7.5Odessa barb 6–7.5
The green band is the pH both tolerate.

Size to scale

Siamese algae eater · 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

Siamese algae eaterOdessa barb
Temperature75–79 °F70–79 °F
pH6.5–7.56–7.5
Adult size6.0 in3.0 in
Minimum tank30 gal30 gal
TemperamentPeacefulPeaceful
Swims atBottomMiddle
GroupAlone or in pairsGroups of 6+
DietHerbivoreOmnivore

Better tank mates for siamese algae eaters

All siamese algae eater tank mates

Better tank mates for odessa barbs

All odessa barb tank mates

Questions

Can siamese algae eaters live with odessa barbs?

Yes, siamese algae eaters and odessa barbs can live together. Both are fine at 75–79°F. Plan on at least 30 gal.

What temperature suits both siamese algae eaters and odessa barbs?

75–79 °F. Siamese algae eaters need 75–79 °F, odessa barbs need 70–79 °F.

What size tank do siamese algae eaters and odessa barbs need together?

At least 30 gal, set by the siamese algae eater. Add space for each extra fish.