FishCompat
Siamese Algae Eater (Crossocheilus oblongus) in a freshwater aquarium

Callichthyidae

Siamese Algae Eater

Crossocheilus oblongus

Siamese Algae Eaters are beginner-level peaceful aquarium residents that reach about 5.9 in. Siamese Algae Eaters spend most of their time near the substrate and usually ignore mid-water fish. Avoid sharp gravel and very aggressive tank mates.

Compatible27 compatible18 caution34 avoid

Quick Stats

Tank

30+ gal

pH

6.5-7.5

Temp

73-81F

Size

5.9 in

Temperament

Peaceful

Care

Beginner

Swim Level

Bottom

Group

5+

Siamese Algae Eater Care Guide

The Siamese Algae Eater (Crossocheilus oblongus) is a beginner-level freshwater aquarium resident from Thailand, Malaysia. It reaches about 5.9 inches and should be kept in tanks of at least 30 gallons.

Keep water near pH 6.5-7.5, temperature 73-81F, and hardness 2-15 dH. Feed omnivore, sinking wafers, frozen food with 1-2 small feedings daily.

Siamese Algae Eaters spend most of their time near the substrate and usually ignore mid-water fish. Avoid sharp gravel and very aggressive tank mates.

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