摘要: |
2004年6月山东省威海石岛的渔民偶然误捕了一头须鲸,经 作者鉴定,此标本系小鳁鲸(Balaenoptera acutorostrata)。主要鉴别特征:头背面的嵴明显;左右鳍肢各有一白色的横斑;有282对白色的鲸须板。同时还对其进行了较详细的观察和测 量,值得一提的是此鲸存有异常现象:有一假脐,乳沟位于生殖裂后端而非生殖裂的两旁。 |
关键词: 须鲸 小鳁鲸(Balaenoptera acutorostrata) 误捕 |
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基金项目:国家自然科学基金项目(40376042);美国资助发展中国家海洋哺乳类研究项目;山东大学资助项目 |
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Some measurements of the minke whale Balaenoptera acutorostrata |
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Abstract: |
One minke whale was caught by bycatch in June, 2004 in Shidao, Weihai. It is a female with body length 4.28 m. Some basic measurements(biological and morphological data) of the minke whale were taken in this paper, and some unusual structures were noted: two navels, one is the false navel, and mammary slits are located in the posterior part of the genital slits. |
Key words: baleen whale minke whale bycatch |