Higher temperatures spur Alaska’s invasive pike to eat more, a bad sign for salmon

Higher temperatures spur Alaska’s invasive pike to eat more, a bad sign for salmon

An invasive northern pike is shown to have its stomach stuffed with tiny juvenile salmon. Invasive northern pike are well-established on the Deshka River, where they are eating their way through the supply of salmon and other fish. As tempertures have risen, pike are eating more, a new study found. (Photo provided by the Alaska Department of Fish and Game)Invasive northern pike have wreaked havoc in Southcentral Alaska rivers and lakes. Introduc…