The caridoid escape reaction of an Antarctic krill allows it to escape predators by flexing its abdomen in a swimming stroke that thrusts it backwards away from danger. It is an innate mechanism in marine and freshwater crustaceans such as lobsters, krill, shrimp and crayfish. Animation: Uwe Kils Recently featured: Namaqua chameleon – Mrs. Fiske Warren (Gretchen Osgood) and Her Daughter Rachel – Groundhog |
from Wikipedia picture of the day feed http://ift.tt/1zh6YDs
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