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12月 28 2007

Hammerhead Shark, Bahamas, 2007

Published by at 20:19 under Photo of the Day

20071228.Hammerhead Shark, Bahamas, 2007

http://photography.nationalgeographic.com/photography/photo-of-the-day/hammerhead-shark-bahamas.html

Hammerhead Shark, Bahamas, 2007
Photograph by Brian Skerry

Primordial in appearance, great hammerheads, like this one near the Bahamas, are actually among evolution’s most advanced sharks. Wide-set eyes and nostrils provide keen peripheral senses, and tiny electroreceptors on its snout help it pinpoint prey. Dozens of serrated teeth do the rest.

(Text adapted from and photo shot on assignment for, but not published in, "Blue Waters of the Bahamas: An Eden for Sharks," March 2007, National Geographic magazine)

 

译文:

锤头鲨(双髻鲨),巴哈马,2007
摄影:Brian Skerry

如同在巴哈马附近看到的这条,这些看似原始的巨大锤头,其实是进化得最高级的鲨鱼之一。高度分离双眼和一对鼻孔使它具有 敏锐的外部感知能力,吻上微小的电感受器又能帮助它精确捕食。剩下的工作就可以交给它那数不清的锯状利齿了。

(文字改编和照片来源于《巴哈马的蓝色海洋:一个鲨鱼的伊甸园》(2007年3月,国家地理杂志)未发表部分)



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