【teen patti gold laptop games】我国科学家在南海深海发现幽灵蛸目新种
7月12日,国科记者从中国科学院南海海洋研究所获悉,学家新种该所热带海洋生物资源与生态重点实验室邱大俊等联合上海海洋大学,南海teen patti gold laptop games近期在中国自然科学核心期刊《动物分类学报》上发表成果称,深海蛸目该团队对2016年在南海采集到的发现一个类似幽灵蛸标本进行研究,通过形态学和基因的幽灵比较分析,明确其与幽灵蛸存在明显差异,国科确定其是学家新种幽灵蛸目新种,并将之命名为“拟幽灵蛸”。南海teen patti gold laptop games 早在1903年,深海蛸目德国海洋生物学家卡尔·楚恩最先在深海发现了幽灵蛸。发现该物种常生活在热带与亚热带大洋水深600至900米之间,幽灵此深度的国科水体中,氧气含量很低。学家新种在生物分类上,南海幽灵蛸属于幽灵蛸目幽灵蛸科幽灵蛸属,也是此前唯一一个被大家所认可的现存物种。 2016年9月,中国科学家在海南岛东南海区800至1000米水深采集到一个标本。研究团队将其与幽灵蛸进行形态比对,发现二者在形态上存在着明显的差异,包括尾部形态、下角质颚形状、发光器位置等。同时,通过基因分析,团队发现它与幽灵蛸在进化树上是两个遗传距离较大的分支,最终确定采集到的标本属一个新物种,其成为幽灵蛸目已知的第二个现存物种。 “拟幽灵蛸与幽灵蛸二者形态特征的区别在于:拟幽灵蛸具有尖尾、下角质颚翼宽长、发光器位于鳍与尾尖的中点,而幽灵蛸无尾、下角质颚翼较短、发光器位于鳍与身体末端的三分之一处。”中国科学院南海海洋研究所研究员邱大俊表示。
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