川山群岛海区大襟岛附近水域发现的中华白海豚  

CHINESE WHITE DOLPHIN IN THE WATER NEAR DAJIN ISLAND OF CHUANSHAN ISLAND SEA AREA

作　　者：鲁慧[1] 方展强[1] 

机构地区：[1]华南师范大学生命科学学院,广东广州510631

出　　处：《华南师范大学学报（自然科学版）》2008年第1期125-129,共5页Journal of South China Normal University(Natural Science Edition)

基　　金：广东省科技计划资助项目(2006B36601008)

摘　　要：2006年4月从川山群岛海区大襟岛附近水域获得2头中华白海豚(Sousa chinensis)死亡标本,雌雄成体各1头.对其体色及外部形态进行观察,测量了其外部形态的30个生物学参数,包括体质量、体长、体围、鳍肢和齿式等.对内脏及胃含物、脂肪层厚度进行测定.结果表明,2头中华白海豚标本其外部形态和内部器官组织结构符合本种的一般特征,背鳍基部亦不呈驼峰状隆起.对胃的解剖观察发现,其中一头空胃,死因未明;而另一头误吞流刺网致死,表明该水域渔业捕捞对中华白海豚种群的生存带来一定程度的威胁.Two dead Chinese white dolphins （Sousa chinensis） were found in the water near Dajin Island of Chuanshan Island sea area in April,2006, which included one male and one female. Their body color and appearance were observed and recorded, and 30 parameters about morphology which cover body weight and length, circumference, flipper and teeth were measured. The weight of inner organs and stomach contents, the blubber thickness were also measured. The results showed that these two Chinese white dolphins were consistent with the common characters of its species on morphology and inner organs, and their bases of dorsal fins did not has humps. Anatomized their stomachs, one was empty, and the reason of its death was not known, but another was stuffed by a gill net, it indicated that the shore fishery threatened the Chinese white dolphin＇s living on a certain extent.

关 键 词：中华白海豚 外形和内脏测定 大襟岛水域 

分 类 号：Q95-3[生物学—动物学]