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Spiny Butterfly Ray (GYMNURA ALTAVELA)

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RAY, SPINY BUTTERFLY / GYMNURA ALTAVELA
8 16 19.50 43.0 Puerto Rico Canary Is 240896 H. Damerius
37 80 52.00 114.10 Gran Canaria Canary Is 120207 M. Bartels
AT AT 52.00 114.10 Gran Canaria Canary Is 120207 M. Bartels
SH SH 52.00 114.10 Gran Canaria Canary Is 120207 M. Bartels

The Spiny Butterfly Ray (GYMNURA ALTAVELA) is found in the Western Atlanticfrom southern New England, USA to Brazil and in the Eastern Atlantic from Portugal to Ambriz, Angola (including the Mediterranean, Black Sea, and the Madeira and Canary islands).

Among the ditinguishing features of this ray are a short tail armed with a spine. The disk is very broad. It has very low dorsal and ventral finfolds on its tail. The disk is dark brown to grayish, lower surface of disc and of pelvic fins is white, brownish, rosy or rusty cast. The tail of the Spiny Butterfly Ray is white or rosy white below).

spiny butterfly ray (GYMNURA ALTAVELA)

The maximum length measured is 140 cm and the maximum published weight of the Spiny Butterfly Ray is 60.0kg. The Spiny Butterfly Ray can be found over sand and mud. It feeds on fishes, crustaceans, mollusks and plankton. It can be seen in subtropical climates between 44°N - 35°S.

The Spiny Butterfly Ray is ovoviviparous with gestation lasting about 6 months with 4 to 7 embryos produced per female. The resilience of this ray is very low with a minimum population doubling time of more than 14 years.

 

 

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