Myliobatis freminvillei Lesueur, 1824
Bullnose eagle ray
photo by Flescher, D.

Family:  Myliobatidae (Eagle and manta rays)
Max. size:  100 cm WD (male/unsexed)
Environment:  benthopelagic; brackish; marine; depth range 0 - 100 m
Distribution:  Western Atlantic: continental waters from Cape Cod to southeastern Florida (?) in the USA; also southern Brazil to Argentina (Ref. 58839). Reported (but not known for certain) from Gulf of Mexico, Florida and Caribbean islands, and northern South America. Often confused with Myliobatis goodei (Ref. 3173).
Diagnosis:  Disk broad with long sharply pointed wings and projecting snout. Tail very long, Few middorsal spines on disk in adults (Ref. 7251). Greyish, reddish chocolate or dusky brown above. Lower surface either pure white or whitish. Teeth green (Ref. 6902).
Biology:  Found frequently in coastal waters to 10 m depth, mainly in shallow estuaries. Capable of traveling long distances, occasionally leaps out of the water. Swims in midwater. Cruises slowly over the bottom, rooting out bivalves with its beak and wings when feeding (Ref. 7251). Ovoviviparous (Ref. 50449).
IUCN Red List Status: Data deficient (DD); Date assessed: 09 July 2007 Ref. (123251)
Threat to humans:  harmless
Country info:   

Entered by: Luna, Susan M. - 17.10.90
Modified by: Bailly, Nicolas - 23.03.11
Checked by: Torres, Armi G. - 02.08.94

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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