Description

SINGLE PAPER

Volume 14, Issue 2 – 14 April 2008

María Cristina Oddone, Gonzalo Velasco and Getulio Rincon: Occurrence of freshwater stingrays (Chondrichthyes: Potamotrygonidae) in the Uruguay River and its tributaries, Uruguay, South America, pp. 69-76

Abstract
Four records of potamotrygonids in the Uruguay River and its tributaries in Paysandú, Uruguay are reported in this paper. The first one was a specimen caught in 1934, of undetermined sex and weighing 120?kg and with a disc width of ca 150?cm. The second specimen, caught in 1998, was also of undetermined sex; it weighed 50?kg total weight and its disc width measured 103?cm. The third specimen was caught in 2001; it was an adult male, weighed 114?kg total weight and its disc width measured ca 110?cm. The fourth one, caught in 2004, was a female, 11?kg in total weight and with a disc width of 80?cm. According to the size and general description, specimens were identified as Potamotrygon brachyura, to date the only potamotrygonid confirmed for Uruguay.