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A new species of the genus Hydra from China ( hydrozoa : hydrida )

中国水螅属一新种（水螅虫纲：螅形目）

There were totally41 species , among which were35 species of Hydrozoa , 4 species of Scyphomedusae and2 species of Ctenophore , respectively .

共记录到水母类41种，其中水螅水母35种，钵水母4种，栉水母2种。主要以近岸低盐类型为主，高盐种类少并且出现时间短。

Actually , the term coral is much broader and refers to most of the animals in the class Hydrozoa of the Phylum Cnidaria .

其实珊瑚一词所指的动物甚多，包括大多数属珊瑚虫纲及数动属水螅虫纲的刺胞动物。

The species composition , Quantitative distribution and seasonal variation of Medusae in the Bohai Sea were determined in a discontinuous period from 1959 to 1997.There were totally 41 species , among which were 35 species of Hydrozoa , 4 species of Scyphomedusae and 2 species of Ctenophore , respectively .

根据1959年以来在渤海进行的几次较为全面的调查资料，对渤海水母类的种类组成、数量分布与季节变化作了较为详细的研究。共记录到水母类41种，其中水螅水母35种，钵水母4种，栉水母2种。