Yes there are stingrays that can't sting!
it is unposibe that sting could have a sting tail
yes the do
NO
zero
No
yes
The stingrays from Stingray City in the Cayman Islands can actually sting you if the barbs from their tails are not removed. These stingrays have the barbs cut from their tails to make them safe for swimmers.
Yes both mature, and baby sting rays can sting, because when they are born they have a cap over there stinger, so they dont sting the mother. And the cap will fall off when they are born.
a sting ray is not endangered
sharks, if stingrays sting you not at the heart you are fine but if a shark eats you your dead
Yes, as their barbs get stuck in to you with poison on them.