Description
The Siamese Algae Eater (Crossocheilus siamensis) is a popular freshwater fish known for its algae-eating capabilities and active behavior.
Quick Facts
Appearance: Slim, torpedo-shaped body with a black stripe running from head through tail fin; clear fins
Size: Up to 6 inches (15 cm)
Temperament: Peaceful, active scavenger; may become territorial with age
Care Level: Moderate—best for intermediate aquarists
Tank Size: Minimum 30 gallons (larger for groups)
Temperature: 75–79°F (24–26°C)
pH Range: 6.5–7.5
Diet: Algae (including black beard algae), supplemented with vegetables, wafers, and pellets
Tank Mates: Peaceful community fish; avoid aggressive species
Special Note: Best kept singly or in groups of 5+ to minimize territorial aggression
Lifespan: 8–10 years with proper care
✨ Renowned for controlling algae—including stubborn black beard algae—while adding activity and personality to community aquariums.
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