福建长乐一头搁浅柏氏中喙鲸的部分形态学测量

来源 :2015海峡两岸海洋生物多样性研讨会 | 被引量 : 0次 | 上传用户:owg
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  2015年8月15日,在福建省长乐市文岭镇北猫山附近海域近岸搁浅了1头齿鲸,经作者鉴定,该个体系柏氏中喙鲸(Mesoplodon densirostris),国家二级重点保护动物.其主要鉴别特征:下颌近口角1/2部分有一对大的瘤状隆起,其前上端着生一对大齿,整个颜面部形状如叉铲.同时,本文描述了该个体的外形特征和骨骼系统,并报道了外形和骨骼的测定数据.该个体系亚成体雄性,体长405 cm,体重约1.6 t,头骨长690 mm,重11.6 kg;脊椎式为C7 +T11+L11 +Ca18=47.肋骨10对,V形骨9枚,胸骨4枚.脊椎式和肋骨较之以前的报道存在差异,说明柏氏中喙鲸的脊椎式和肋骨个体间可能存在差异.
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