Common Thresher

Common Thresher

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The common thresher is the largest species of thresher shark, family Alopiidae, attaining a maximum known length of 6 m (20 ft). Almost half of that length consists of the elongated upper lobe of its caudal fin. This structure, the source for many a fanciful tale about this shark through history, is employed by the thresher in a whip-like fashion to deliver incapacitating blows to its prey. The common thresher resembles (and has often been confused with) the pelagic thresher (A. pelagicus), which also has a streamlined body, short pointed snout, and modestly sized eyes. It can be distinguished from the latter species by the white of its belly extending in a band over the bases of its pectoral more

Product details

  • Paperback | 60 pages
  • 152 x 229 x 4mm | 100g
  • Claud Press
  • United States
  • English
  • 6136672766
  • 9786136672762