Dog salmon, also known as Chum salmon, is a species of fish found in the northern Pacific Ocean and rivers that flow into it. They are recognized for their distinctive greenish or grayish color and can weigh up to 30 pounds. Dog salmon are an important food source for various wildlife, including bears and eagles. These fish are known for their unique life cycle, migrating from the ocean to freshwater rivers to spawn. Dog salmon are often harvested for their roe, which is considered a delicacy, and their flesh is used in various culinary dishes. They play a crucial role in the ecosystem, contributing to nutrient cycling in their spawning habitats.