Siamese Algae Eater (Crossocheilus siamensis)
The Siamese Algae Eater is one of the most effective and highly regarded algae-eating fish in the freshwater aquarium hobby. Known for its tireless work ethic and peaceful temperament, this active fish is especially valued for its ability to consume nuisance algae, including black beard algae (BBA), hair algae, and other stubborn varieties that many other algae eaters ignore. Its sleek silver body with a bold black horizontal stripe makes it an attractive and functional addition to planted and community aquariums.
Native to the rivers and streams of Thailand, Laos, Cambodia, and the Malay Peninsula, Siamese Algae Eaters inhabit flowing waters rich in rocks, driftwood, and submerged vegetation. In the aquarium, they are energetic swimmers that appreciate plenty of open space, moderate water flow, and well-oxygenated water. They are social fish and can be kept individually or in small groups in larger aquariums.
While famous for their algae-eating abilities, Siamese Algae Eaters require a varied diet to remain healthy. They readily accept algae wafers, spirulina pellets, fresh vegetables such as zucchini and cucumber, along with frozen foods and high-quality sinking pellets. Providing supplemental foods ensures they continue to thrive after natural algae become scarce.
Their peaceful nature makes them excellent tank mates for tetras, rasboras, rainbowfish, gouramis, Corydoras, loaches, and peaceful cichlids. They are generally non-aggressive and coexist well in community aquariums, making them both an attractive display fish and a valuable member of any aquarium maintenance crew.
Scientific Name: Crossocheilus siamensis
Common Name: Siamese Algae Eater
Care Level: Easy
Temperament: Peaceful
Diet: Omnivore
Adult Size: Up to 6 Inches
Minimum Tank Size: 30 Gallons
Origin: Thailand, Laos, Cambodia & Malaysia
If you're looking for one of the best natural algae-control fish available, the Siamese Algae Eater is an exceptional choice. Its impressive appetite for nuisance algae, active personality, and peaceful disposition make it a must-have addition to planted aquariums and freshwater community tanks.
