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The spectacular world of salamanders

By: Anna Norris on Aug. 2, 2013, 4:43 p.m.
One-toed amphiuma

Photo: squamatologist/Flickr

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Congo eels

Often mistaken for snakes or eels, amphiumas (colloquially "congo eels") are aquatic salamanders that range across the Southeastern United States. Amphiumas have 25 more times more DNA than humans.