On average, an adult male sea otter weighs 36kg (79lbs), with some individuals weighing as much as 45kg (99lbs). A female weighs an average of 23kg (50lbs). To maintain their weight, otters must consume 250kcal/kg of body weight each day to survive. Otters eat entirely small invertebrates for which they must dive to catch. You have been tracking an adult female otter who weighs 25kg.. How many kilocalories must she consume each day to maintain her body weight? *