Siamese Algae Eater

Siamese Algae Eater (Crossocheilus siamensis)

One of the best algae-eating fish in the hobby, the true Siamese Algae Eater is prized for its appetite for black beard algae — one of the few fish that will eat it. Active, hardy, and peaceful, it's a practical and useful addition to community tanks with algae issues.

Care at a Glance:

• Minimum Tank Size: 100L with plants, rocks, and open swimming space
• Temperature: 24–28°C
• pH Range: 6.5–7.5
• Water Hardness: Soft to moderate
• Temperament: Peaceful, active, schooling
• Diet: Algae wafers, sinking pellets, flakes, frozen bloodworms
• Max Size: 12–15cm
• Lifespan: 8–10 years
• Care Level: Easy

Tank Mates: Peaceful community fish such as tetras, rasboras, gouramis, and corydoras; keep in groups of 3+ for natural behaviour.

Origin: Southeast Asia — rivers and streams (Thailand, Malaysia)