Plesiotrygon iwamae Rosa, Castello & Thorson, 1987
Long-tailed river stingray

Family:  Potamotrygonidae (River stingrays), subfamily: Potamotrygoninae
Max. size:  58 cm WD (male/unsexed)
Environment:  demersal; freshwater
Distribution:  South America: Upper to lower Amazon River basin, from Ecuador to Belém, Brazil, in the Napo, Solimões, Amazonas and Pará rivers.
Biology:  Feeds on small catfishes, insects, decapod crustaceans, and parasitic cestodes and nematodes (Ref. 34195).
IUCN Red List Status: Vulnerable (VU); Date assessed: 29 March 2021 (A2cd) Ref. (130435)
Threat to humans:  harmless

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