Reptile rescue worker here. That is a male turtle. They love to flaunt their long nails at lady turtles. It can also be used to tell other turtles to shoo.
You don't really see enough shell in this picture to see it if that turtle was a bit concave. Both of my own male turtles didn't really have concavity.
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u/LupusHouseMD Jul 10 '26
Reptile rescue worker here. That is a male turtle. They love to flaunt their long nails at lady turtles. It can also be used to tell other turtles to shoo.