Palak
They are found worldwide and are considered as living vampires that survive on animal and human blood.
Lampreys are a group of jawless fish primarily found in freshwater that feed on other fish.
They are generally found in Central and South America, Vampire bats feed on mammals like horses and cattle.
Small, wingless insects that survive on human blood and other warm-blooded animals.
Leeches are predatory worms generally found in freshwaters, and suck the blood of their prey by attaching themselves to their skin.
Scientifically known as Cumia reticulata, Vampire snails are sea snails that generally feed at night when the fish are asleep
They are parasitic arachnids that are generally found worldwide living by sucking the blood of birds and sometimes reptiles.