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A specimen of the Schindleria Brevipinguis or Stout Infantfish, believed to be the world's smallest vertebrate, is seen in this undated photo. The tiny fish reaches no more than 7 to 8 millimeters (0.27 to 0.31 inches) long and was discovered 20 years ago and scientsts have studied the minute minnow to better understand its life cycle before releasing the news of the discovery. (AP Photo/Australian Museum, Carl Bento, ho)

Tiny animals

A look at some of our planet’s smallest creatures.