Dangers to the Sockeye Salmon

Sockeye salmon are migrating anadromous fish that return to freshwater streams to reproduce between the ages of 4 and 6. The sockeye salmon releases a massive amount of corticosteroids, which ultimately means that the fish will rapidly deteriorate and die. But not all sockeye make it back to their spawning grounds, due to other dangers and threats.

  1. Predators

    • The number one threat to the sockeye is predators, such as bears, which feed on the salmon as they return to freshwater streams and rivers to spawn. Bears gather at the mouths of streams and rivers each year to wait for the return of the sockeye to their spawning grounds. Other predators include sharks, especially the salmon shark, which feeds on the sockeye salmon as they mature in the ocean.

    Fishing

    • Sockeye salmon is popular to fish because it is high in omega-3 fatty acids, which can help lower bad cholesterol. Fishing for sockeye salmon has been a favorite event by many fishermen for years, although regulations to protect sockeye populations have been implemented in some areas. Wild salmon is preferred over farmed salmon, due to the pristine living conditions of most wild salmon. Sockeye salmon can be fished while maturing in the ocean or returning to their spawning grounds.

    Habitat Depletion

    • All over the world, natural habitats are being threatened due to human growth and urban sprawl. Some streams and rivers where sockeye spawn and grow have begun to erode due to poor farming and logging practices. Low water flow and dams also affect the sockeye, while ruined spawning beds smother eggs, preventing the salmon fry from hatching. The loss of habitat also means the depletion of the sockeye's food sources, such as smaller fish and floating insects.

    Climate Change

    • With the climate changing, the sockeye are facing warmer water temperatures, which will force them to adapt to survive. If they don't, populations of sockeye will vanish from the warming waters. Despite rapid climate change, sockeye salmon are beginning to evolve so they can continue thriving in their native habitat. However, some worry that Sockeye may not be able to evolve and adapt fast enough in warmer waters if climate continues to change rapidly.