Price on InquiryKey Details of Geophagus altifrons: Origin & Habitat: Found in Brazil's Rio Tapajos, Xingu, Trombetas, and Tocantins rivers, favoring clear and blackwater environments. Appearance: Known for a high forehead, bluish sheen, and streaks of blue and red. Behavior: Active sand-sifters, feeding by sifting through substrate to find food. They are generally peaceful but can be territorial during breeding or when kept individually. Tank Requirements: Size: Minimum 75–100+ gallons to accommodate their 10–12 inch length and schooling nature. Substrate: Sand is essential for their natural sifting behavior. Water Parameters: Temperature 77–86°F (25–30°C), pH 5.0–7.5, and low hardness (5-10°dGH). Diet: Omnivorous. They require a varied diet, including sinking pellets, bloodworms, and brine shrimp. Breeding: They are mouth brooders, with females carrying eggs and fry for protection. Tankmates: Suitable with other peaceful or mildly aggressive fish of similar size, such as Severums, Silver Dollars, and other Geophagus species.