Freshwater stingray

Freshwater stingray may refer to species of two families in the order Myliobatiformes:


 * Dasyatidae, found in the Amazon, Africa, Asia, and Australia
 * Potamotrygonidae, found in South America


 * Grows up to 7.2 feet across (wing span)
 * Grows up to 16.5 feet long (head to tail)
 * Weighs up to 660 pounds


 * They eat crustaceans


 * The females don't lay eggs


 * They travel and hunt in groups of up to 10,000. A group of stingrays is called a fever.
 * They are the only kind of stingray that lives in fresh water.