Another worry is that the red swamp invader has helped unleash a deadly fungal disease on native crayfish populations around Europe—a plague to which it is, itself, resistant.

关于这种龙虾的另一种担忧是在它们有助于在欧洲大陆本土龙虾间传播一种致命的病毒，但是这种病毒对它们自身是免疫的。

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Signal crayfish carry a fungal disease known as crayfish plague that has wiped out the native crayfish from most rivers in the south of England.

BBC: American signal crayfish invade Northumberland river