蛇岛蝮是蝮属中的一个新种

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color:black;mso-ansi-language:EN-CN'人们过去认为蛇岛上的毒蛇是毒蛇

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color:black;mso-ansi-language:EN-CN', Kazuo Kiba

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mso-hansi-theme-font:minor-fareast;color:black;mso-ansi-language:ZH-CN', 季大明

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ZH-CN'年

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ZH-CN’等人均认为蛇岛出产的蛇是Agkistrodon halys的中间亚种

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-font:minor-fareast;mso-hansi-theme-font:minor-fareast; color:black">Agkistrodonhalysintermedius mso-ascii-theme-font:minor-fareast;mso-fareast-theme-font:minor-fareast; mso-hansi-theme-font:minor-fareast;color:black">、)。 mso-ascii-theme-font:minor-fareast;mso-fareast-theme-font:minor-fareast; mso-hansi-theme-font:minor-fareast;color:black;mso-ansi-language:ZH-CN">我国著名的生物学家、中国科学院成都生物研究所赵尔宓教授曾多次到蛇岛考察，经 mso-fareast-theme-font:minor-fareast;mso-hansi-theme-font:minor-fareast; color:black;mso-ansi-language:ZH-CN">研究证明，蛇岛产的蛇不是蝮蛇的亚种，而是蝮属中的一个新种，命名为蛇 mso-fareast-theme-font:minor-fareast;mso-hansi-theme-font:minor-fareast; color:black;mso-ansi-language:ZH-CN">岛蝮040纟协 宋体;mso-ascii-theme-font:minor-fareast;mso-fareast-theme-font:minor-fareast; mso-hansi-theme-font:minor-fareast;color:black">Zhao mso-fareast-theme-font:minor-fareast;mso-hansi-theme-font:minor-fareast; color:black">) mso-ascii-theme-font:minor-fareast;mso-fareast-theme-font:minor-fareast; mso-hansi-theme-font:minor-fareast;color:black">。 minor-fareast;mso-hansi-theme-font:minor-fareast;color:black;mso-ansi-language: ZH-CN">其主要特征是：中段背鱗23行，腹鳞加尾下鳞188片 宋体;mso-hansi-theme-font:minor-fareast;color:black;mso-ansi-language:ZH-CN">〜 mso-fareast-theme-font:minor-fareast;mso-hansi-theme-font:minor-fareast; color:black;mso-ansi-language:ZH-CN">206 minor-fareast;mso-hansi-theme-font:minor-fareast;color:black;mso-ansi-language: ZH-CN">片，体型较大，成蛇全长 minor-fareast;mso-hansi-theme-font:minor-fareast;color:black">504 宋体;mso-ascii-theme-font:minor-fareast;mso-fareast-theme-font:minor-fareast; mso-hansi-theme-font:minor-fareast;color:black">mm 宋体;mso-hansi-theme-font:minor-fareast;color:black;mso-ansi-language:ZH-CN">〜 mso-fareast-theme-font:minor-fareast;mso-hansi-theme-font:minor-fareast; color:black">802 mso-fareast-theme-font:minor-fareast;mso-hansi-theme-font:minor-fareast; color:black">mm mso-ascii-theme-font:minor-fareast;mso-fareast-theme-font:minor-fareast; mso-hansi-theme-font:minor-fareast;color:black;mso-ansi-language:ZH-CN">(雄）或 mso-fareast-theme-font:minor-fareast;mso-hansi-theme-font:minor-fareast; color:black">539 mso-fareast-theme-font:minor-fareast;mso-hansi-theme-font:minor-fareast; color:black">mm 宋体;mso-ascii-theme-font:minor-fareast;mso-hansi-font-family:宋体;mso-hansi-theme-font: minor-fareast;color:black;mso-ansi-language:ZH-CN">〜 mso-fareast-theme-font:minor-fareast;mso-hansi-theme-font:minor-fareast; color:black">990 mso-fareast-theme-font:minor-fareast;mso-hansi-theme-font:minor-fareast; color:black">mm mso-ascii-theme-font:minor-fareast;mso-fareast-theme-font:minor-fareast; mso-hansi-theme-font:minor-fareast;color:black;mso-ansi-language:ZH-CN">(雌 mso-fareast-theme-font:minor-fareast;mso-hansi-theme-font:minor-fareast; color:black">）； mso-ascii-theme-font:minor-fareast;mso-fareast-theme-font:minor-fareast; mso-hansi-theme-font:minor-fareast;color:black;mso-ansi-language:ZH-CN">无白眉背面，浅色斑纹略呈左右交错的横斑直达尾部，颏部无斑。蛇岛蝮仅见于蛇岛，在大陆上有两个亚种：蛇岛蝮指名亚种和蛇岛蝮大陆亚种 mso-fareast-theme-font:minor-fareast;mso-hansi-theme-font:minor-fareast; color:black">， mso-ascii-theme-font:minor-fareast;mso-fareast-theme-font:minor-fareast; mso-hansi-theme-font:minor-fareast;color:black;mso-ansi-language:ZH-CN">它们产于黑龙江、吉林、辽宁、内蒙古和山东等地。