Cane Toad
You did not mention what animal you are asking about, so I cannot give you a complete answer. Usually, poison helps to kill an animal faster. It can also allow the animal to strike and then get back out of the way to avoid being hurt while they wait for the poison to take effect.
Paratoid glands.
They secret a poison through glands under their skin.
no
Usually, toads don't have to evade their predators because of the "blobs" on their backs called Parotoid Glands. These produce a lot of poison that will usually kill a dog. The toads colours on its back also represent the poisonous glands it has.
Each poison possesses its own peculiar flavor.
yes
They have poison glands behind their eyes. Animals who attempt to eat them usually spit them out (if they are lucky).
No. Sharks do not have poison glands anywhere on their bodies.
no some do not From thiresa sath
it's in their pee.
some species do, but not all.