Minimum Tank Size: 10 Gallons (38 Litres)Care Level: EasyWater Conditions: 6.0-8.0 pH Soft to Moderately HardTemperature: 64-73 °F (18-23 °C)Maximum Size: 2.3 inches (5.9 cm)The pepper catfish (Corydoras paleatus), also known as the peppered cory, or the blue leopard corydoras, is a peaceful catfish..