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…

Climate change speeds spread of invasive pike in Alaska salmon streams, study finds

'If it keeps getting warmer, they get much better at catching salmon' -- Erik Schoen, University of Alaska FairbanksAn invasive freshwater fish is