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大闸蟹冲上黄浦江岸 市民一小时抓满一桶(组图)

2017-06-29 15:32:19   中国青年网

6月27日上午,上海,有市民反映说在雪野路世博大道堤岸上,出现了成百上千的螃蟹,很多都已经长到了一二两大。记者来到了复兴东路摆渡口,只见到了星星两两的几只小螃蟹,不过,当工作人员将摆渡口的一些踏板翻起,果然,每块踏板下都有小蟹聚集。

专家判断这是中华绒螯蟹,也就是俗称的大闸蟹。中华绒螯蟹顺江而下,证明水环境有改善。专家介绍说,很多蟹类属于穴居动物,每天随着潮水涨落而活动,这都属于正常现象。

上海水产研究所高级工程师洪波解释:“特别是潮间带这个地方,一会儿钻到洞里去了。等涨潮的时候就上来,这是它的生活习性。”

在浦东雪野路世博大道的堤岸上,也有小蟹的身影,尽管围栏上有着“禁止翻越”的警示牌,但还是有三三两两的市民为了抓螃蟹,翻越栏杆。

市民说:“这就是大闸蟹,是野生的。现在就这么大,到10月份大闸蟹有半斤呢。我们下去摸了,大概一小时可以抓满一桶。”不过,专家提醒说,这个阶段的中华绒螯蟹尚处于生长期,市民不应去抓捕,共同为绒螯蟹创造一个良好的生长环境。

图为被抓住的大闸蟹。

大闸蟹被冲上岸。

大闸蟹上岸。

责任编辑:刘敏丹 CN012
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