Can rainbow sharks live with siamese algae eaters?

Verdict

Yes, with care

Yes, with care. Rainbow sharks and siamese algae eaters can share a tank, but watch one thing. Rainbow sharks chase other bottom fish out of their patch.

Rainbow shark72–80°F · pH 6.5–7.5

Siamese algae eater75–79°F · pH 6.5–7.5

What to watch

Watch outRainbow sharks chase other bottom fish out of their patch.

What works

Both are fine at 75–79°F.
pH 6.5–7.5 suits both.

Water side by side

The green band is the temperature range both can live in.

The green band is the pH both tolerate.

Size to scale

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

	Rainbow shark	Siamese algae eater
Temperature	72–80 °F	75–79 °F
pH	6.5–7.5	6.5–7.5
Adult size	6.0 in	6.0 in
Minimum tank	55 gal	30 gal
Temperament	Semi-aggressive	Peaceful
Swims at	Bottom	Bottom
Group	One per tank	Alone or in pairs
Diet	Omnivore	Herbivore

Better tank mates for rainbow sharks

All rainbow shark tank mates

Better tank mates for siamese algae eaters

All siamese algae eater tank mates

Questions

Can rainbow sharks live with siamese algae eaters?

Yes, with care. Rainbow sharks and siamese algae eaters can share a tank, but watch one thing. Rainbow sharks chase other bottom fish out of their patch.

What temperature suits both rainbow sharks and siamese algae eaters?

75–79 °F. Rainbow sharks need 72–80 °F, siamese algae eaters need 75–79 °F.

What size tank do rainbow sharks and siamese algae eaters need together?

At least 55 gal, set by the rainbow shark. Add space for each extra fish.