Pictus Catfish (Pimelodus pictus)Pictus Catfish are active and playful fish with striking spotted markings on their bodies. They are excellent scavengers and help keep tanks clean by consuming uneaten food from the substrate. Minimum Tank Requirements: Tank Size: 100 litres or more Temperature: 24 28C pH: 6. 5 7. 5 Tankmates: Pictus Catfish are peaceful but should be kept with other fast moving, non aggressive species. Avoid slow moving or small fish. Diet: Carnivorous. Feed them