...和中华绒蝥蟹（Mitten Crab），即将展开史诗般的决战，争夺英国的水下统治权，而英国本地的白爪小龙虾（white-clawed crayfish）则濒临灭绝。 北美小龙虾是在1970年代引入英国，已经在此安家，由于其掠夺性对本地的水生植物、水生无脊椎动物和鱼类造成了危险。
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The bigger and more aggressive American species could "out-compete" the native white-clawed crayfish on the neighbouring River Wansbeck.
BBC: American signal crayfish invade Northumberland river
"Signal crayfish are having a catastrophic impact on white clawed crayfish", said Abby Stancliffe-Vaughan, who is organising the study.
BBC: Study may help endangered white clawed crayfish
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