武昌现蓝色小龙虾 专家建议市民不要食用
2010
05/30
16:37
3992
昨日，记者在武昌余家湖沿湖一路李先生家见到，一只小龙虾通体为蓝色，大小及外形与普通小龙虾无异。据李先生介绍，他前天从菜场买回几斤龙虾，就这一只是蓝色，不知是否能食用，也不知如何处理。
记者昨仔细端详了这只龙虾，其外形和一般龙虾并无区别，细看外壳上的蓝色，绝非染料染成，而是壳体的自然色。因为觉得稀奇，李先生决心自己养下来。
对此，中科院武汉水生所淡水生态学研究中心研究员、博导李钟杰表示，正常情况龙虾呈现红色，但不排除个别龙虾出现基因变异的情况，产生颜色鲜艳的龙虾。此外，龙虾的生存适应能力非常强，如果养殖龙虾的水体中存在重金属超标的现象，长期生长在这种水质中，龙虾全身会出现不同的颜色。遇到此类颜色异常的龙虾，最好不要食用。
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