Smooth butterfly ray

Gymnura micrura

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Information and species illustrations courtesy of the Food and Agriculture Organization of the United Nations (FAO).

Species Information

Size

Maximum size 90 to 120 cm disc width; males mature at 42 cm disc width, females mature at 50 cm disc width, and neonates 16 to 22 cm at birth.

Diagnostic characters

 

Habitat, biology, and fisheries

Benthic along the coast over sandy bottoms, but also occurs in estuaries.  Food consists of bivalve molluscs, crustaceans including mysids, shrimps, crabs, and ray-finned fishes.

Distribution

Recorded from Chesapeake Bay to Brazil, and common in Gulf of Mexico, but unrecorded from the greater and Lesser Antilles. Records of Gymnura micrura from the eastern Atlantic, and Indian and Pacific Oceans probably refer to other species.

Citations

Carpenter, K.E. (ed)
The living marine resources of the Western Central Atlantic. Volume 1: Introduction, molluscs, crustaceans, hagfishes, sharks, batoid fishes, and chimaeras.
FAO Species Identification Guide for Fishery Purposes and American Society of Ichthyologists and Herpetologists Special Publication No. 5.
Rome, FAO. 2002. pp. 1-600.

Carpenter, K.E. (ed)
The living marine resources of the Western Central Atlantic. Volume 2: Bony fishes part 1 (Acipenseridae to Grammatidae).
FAO Species Identification Guide for Fishery Purposes and American Society of Ichthyologists and Herpetologists Special Publication No. 5.
Rome, FAO. 2002. pp. 601-1374.

Carpenter, K.E. (ed)
The living marine resources of the Western Central Atlantic. Volume 3: Bony fishes part 2 (Opistognathidae to Molidae), sea turtles and marine mammals.
FAO Species Identification Guide for Fishery Purposes and American Society of Ichthyologists and Herpetologists Special Publication No. 5.
Rome, FAO. 2002. pp. 1375-2127.