入侵性龙虾在英国运河被发现死亡,引起人们对土著物种受到威胁的担忧。
Invasive crayfish found dead in UK canal, sparking concerns over threat to native species.
一种像海龙虾般的入侵性甲壳类甲壳类动物,很可能是美国的一个信号性龙虾,被发现死在赫德尔斯菲尔德内罗运河附近,引起人们的担忧。
An invasive lobster-like crustacean, likely an American signal crayfish, was found dead near the Huddersfield Narrow Canal, raising concerns.
这些龙虾是1960年代引入的,它们与当地物种相竞争,传播疾病,从而威胁当地物种。
Introduced in the 1960s, these crayfish threaten native species by outcompeting them and spreading disease.
释放他们是非法的,必须获得特别许可才能拥有。
They are illegal to release and require special permission to possess.