''Styracura'' is a genus of

stingray Stingrays are a group of sea rays, which are cartilaginous fish related to sharks. They are classified in the suborder Myliobatoidei of the order Myliobatiformes and consist of eight families: Hexatrygonidae (sixgill stingray), Plesiobatidae ( ...

in the family

Potamotrygonidae River stingrays or freshwater stingrays are Neotropical freshwater fishes of the family (biology), family Potamotrygonidae in the Order (biology), order Myliobatiformes, one of the four orders of Batoidea, batoids, cartilaginous fishes related to ...

and the only genus in the subfamily Styracurinae. The two species in this genus were formerly included in ''

Himantura ''Himantura'' is a genus of stingray in the family Dasyatidae that is native to the Indo-Pacific. In a 2016 taxonomic revision, many of the species formerly assigned to ''Himantura'' were reassigned to other genera ('' Brevitrygon'', '' Fluvi ...

'', but were moved to ''Styracura'' in 2016 based on

morphology Morphology, from the Greek and meaning "study of shape", may refer to: Disciplines * Morphology (archaeology), study of the shapes or forms of artifacts * Morphology (astronomy), study of the shape of astronomical objects such as nebulae, galaxies ...

and molecular evidence. Unlike other members of the family Potamotrygonidae, also known as freshwater stingrays, ''Styracura'' are found in the tropical West Atlantic and East Pacific.

Species

There are two species in the genus: * Pacific chupare (''Styracura pacifica'') * Chupare stingray (''Styracura schmardae'')

References

{{Taxonbar, from=Q28052228 Potamotrygonidae Ray genera