eagle ray

noun
any of several rays of the family Myliobatidae, found in tropical seas and noted for the soaring movements by which they propel themselves through the water.

Origin:
1855–60

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World English Dictionary
eagle ray
 
n
any of various rays of the family Myliobatidae, related to the stingrays but having narrower pectoral fins and a projecting snout with heavily browed eyes

Collins English Dictionary - Complete & Unabridged 10th Edition
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Encyclopedia Britannica
Encyclopedia

eagle ray

any of about two dozen species of exclusively marine rays constituting the family Myliobatidae (order Rajiformes), occurring in the major oceans. They have the enlarged, winglike pectoral fins characteristic of the order. Some species have a sharp-edged serrated spine at the base of the long, whiplike tail. Their teeth are flat, for crushing and grinding mollusks and crustaceans. Although they are bottom feeders, eagle rays frequently swim near the ocean's surface, occasionally jumping high out of the water in spectacular displays. The spotted eagle ray (Aetobatus narinari) has a wingspan of up to 2.1 metres (7 feet)

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
Divers who visit this underwater oasis may see a spotted eagle ray swoop past or lavender moon jellies float by.
The longheaded eagle ray is also endangered because of fishing.
One of the highlights was a spotted eagle ray that had two hitchhiking remoras swimming under cover.
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