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hai li de xing xing hai xing
Author(s): 
Pages: 43-44
Year: Issue:  5
Journal: Ocean World

Abstract: <正> 海星是海滨最常见的棘皮动物,外形似五角星,亦称星鱼,西方也称轮星鱼。全世界各个海域中都有海星,它们生活在潮间带和近岸的平静海域,大多栖息在海岸下层或水较深的岸海。海星的种类很多,现已知的2000个品种中,大多数品种都生活在高纬度的寒冷海域,但是就海里总数以及海里生活习惯的差异而言,它们却主要集中生活在从阿留申群岛到列普吉特·桑德的太平洋东北部海域内。我国沿海有50~60种。有五角
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