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10th February 2012

Link with 6 notes

A Shark's Kryptonite →

Tonic immobility.

This is a reflex of sharks in which they enter a state of paralysis when flipped over.

One pod of Killer Whales has figured out that by flipping over Great White Sharks they can force the sharks into tonic immobility enabling them to then eat the sharks. Killer Whales have been known to munch on smaller sharks but never before have they been known to go after Great Whites.

The kicker is the Great Whites never see it coming because they are used to being the top of the food chain! Cool.

Tagged: Great white sharkskiller whalessciencebiologymarinetonic immobilitynational geographic

Source: National Geographic

  1. talesofmouse reblogged this from sharksarefriendsnotfood
  2. mekonekou reblogged this from sharksarefriendsnotfood and added:
    Really neat. Though, I cannot get the notion of Killer Whales doing this for fun out of my head. Similar to how people...
  3. sharksarefriendsnotfood posted this