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渔民捕获300万分之一概率的蓝色龙虾(组图)

2017-07-21 16:37:16   中国青年网

据英国《每日邮报》报道,近日,一名美国渔民在新罕布什尔州与缅因州的交界海岸上捕获了一只罕见的蓝色龙虾,并将其捐赠给了海岸科学中心。据悉,蓝色龙虾出现的几率是300万分之一。

当地时间7月17日,当地捕虾人格雷格·沃德(Greg Ward)在两州交界处的海岸上捕获到了这只蓝色龙虾。起初在检查战利品时,沃德认为自己捕获的这只蓝色龙虾患有白化病。但随后这位有着32年丰富捕鱼经验的渔民很快就发现,这只硬壳龙虾还呈现出独特的蓝色和淡黄色。

龙虾中仅有1亿分之一的概率会出现白化病品种,而仅有3000万分之一的概率会出现蓝色和橙色相间的斑点龙虾。

“这一只既不是通体呈白色,也不是通体呈蓝色。”沃德说,“我以前从没有见过这样的龙虾。通常来说,更大只的龙虾往往是棕红色,但是这一只依然还具有硬壳。”随后,他将这只龙虾交给了黑麦城的海岸科学中心,用以科学研究与展览。该中心水族馆馆长罗伯·罗耶(Rob Royer)称,等这只蓝色龙虾适应了新水域环境后,将被放在“奇异”龙虾水箱中进行展览。 据科学家称,仅有300万分之一的概率会出现蓝色龙虾,出现这种情况的原因是龙虾体内的基因缺陷导致它们体内的合成蛋白质过量。蓝色龙虾与普通龙虾并无大异,仅仅是由于基因突变引起了外壳颜色上的改变而已。

责任编辑:孙启浩 CN037
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