ACTA THERIOLOGICA SINICA ›› 2018, Vol. 38 ›› Issue (6): 616-623.DOI: 10.16829/j.slxb.150115

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Morphological measurements of a dead Indo-Pacific humpback dolphin (Sousa chinensis) at Sanya, Hainan Province, China

LI Kuan, ZHANG Peijun, LIU Mingzhong, LIN Mingli,LI Songhai   

  1. (1 Institute of Deep-sea Science and Engineering, Chinese Academy of Sciences, Sanya 572000, China)
    (2 University of Chinese Academy of Sciences, Beijing 100049, China)
  • Online:2018-11-30 Published:2018-11-26


李款 张培君 刘明中 林明利 李松海   

  1. (1中国科学院深海科学与工程研究所,三亚,572000)
    (2 中国科学院大学,北京,100049)
  • 通讯作者: 张培君

Abstract: On February 2,2015, a dead female Indo-Pacific humpback dolphin (Sousa chinensis) was found in the coastal water of Meilian Village, Yacheng Town, Sanya City, Hainan Province, China. It was the first Indo-Pacific humpback dolphin death case ever found in waters southwest of Hainan Island. In the present study, data about external morphology and skeleton system of the dead dolphin were documented, Body length and body mass of the animal were 235.0 cm and ca. 150 kg, respectively, with completely white body color. The cranium of this dolphin wa 189 mm in zygomatic width, and 415 mm in skull length. Its vertebra formula was C6+T12+L10+Ca20=48. It had 12 pairs of ribs and 11 V-bones. According to previous reports, our skeleton sample may have one cervical vertebra missing, and one or more caudal vertebras and V bones missing. More new skeleton samples from the same population are needed to confirm this presumption.

Key words: Indo-Pacific humpback dolphin(Sousa chinensis), Sanya, Skeleton, External morphology

关键词: 中华白海豚, 三亚, 骨骼, 外形