08/31/2026
π FISH OF THE WEEK: Spatuloricaria evansii β Built for the Rapids!
Known to science since 1892, Spatuloricaria evansii is a fascinating and rarely seen South American whiptail catfish found across river systems in Brazil, Bolivia, and Argentina.
π Built for fast water: Its long, flattened body is designed for life in powerful river currents.
πͺ¨ Natural camouflage: Mottled tan, gray, and brown coloration helps it disappear among rocks and riverbeds.
π Impressive size: This whiptail can approach a foot in length, although many aquarium specimens remain around 8 inches.
π¨ Loves oxygen-rich water: Clean, pristine water with high dissolved oxygen is important for this rapids-dwelling species.
π½οΈ Not your typical algae eater: S. evansii is an omnivore that does best with a varied mix of meaty and vegetable-based foods.
β€οΈ With the right conditions, this peaceful and unusual whiptail can make an incredible centerpiece in a South American community aquarium.
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