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Spotback skate
The spotback skate (''Atlantoraja castelnaui'') is a species of fish in the Rajidae family. It is found in Argentina, Brazil, and Uruguay. Its natural habitat is open seas.
== Distribution ==
The ''Atlantoraja castelnaui'' are found in the Southwest South Atlantic Ocean from Rio de Janeiro State in Brazil to Argentina. They prefer warm-temperate waters at depths ranging from 20 to 220 m. In Argentina, they can be found as natives to the Argentinian Zoogeographic Province. They seek warm water climates, and are often reported to have a more southern distribution than normal in correlation with higher water temperatures. Spotback skates may migrate only slightly or perform slight periodic backwards and forwards movement depending on ocean water temperatures. However, there is no notable seasonal variation for the species as they populate southern waters year round.
Although the location of their distribution has not been affected, the quantity of the Spotback's distribution has lowered in many places and continues to be threatened by humans fishing in its habitats.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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