What natural feature is used by the Xingu River Ray for defense against predators?

Answer

A venomous barb located on its tail

Like many stingrays, the Xingu River Ray is equipped with a defensive mechanism integrated into its anatomy. Specifically, the tail of this freshwater species is armed with a venomous barb. This feature necessitates caution for anyone encountering the ray in its wild habitat or even when observing it in a controlled setting. The barb is employed strictly for defense against potential threats or predators encountered in the river system.

What natural feature is used by the Xingu River Ray for defense against predators?
locationhabitatRayriver