CyprinidaeFreshwater Fishbeginner

Crossocheilus oblongus 'True Siamese Algae Eater'

Crossocheilus oblongus

Origin: Thailand, Malaysia

C

Water Parameters

Temperature2426 °C
15 °C35 °C
pH6.57.5
49
GH (Hardness)415 °dGH
0 °dGH30 °dGH
KH (Alkalinity)28 °dKH
0 °dKH20 °dKH

Quick Stats

Max Size
14 cm
Min Tank
150 L
Lifespan
10
Swimming Level
bottom
Schooling
No
Diet
herbivore
Temperament
peaceful; may chase conspecifics but no injury

About

Crossocheilus oblongus, the True Siamese Algae Eater, is the most effective fish-based biological control for black beard algae (BBA) and red algae in planted aquariums. Unlike flying foxes, the true SAE actively grazes BBA at all ages. Often misidentified in the trade.

Care Guide

Keep in groups of 3+. Temperature 24–26°C, pH 6.5–7.5. Supplement with algae wafers and vegetables when algae is scarce. Active, fast swimmer — tank needs a lid. Grows to 14 cm.

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