A vampire crab against a white background
Vampire crabs are either named for their purple bodies and yellow eyes that remind people of Dracula or for the cream-colored spots on their bodies that are shaped like bats.
A back view of a vampire crab showing the yellow, bat-shaped marking on its shell
Vampire crabs have a yellow marking on their shells that some people think resembles a bat.
A vampire crab sitting on top of a coconut
Vampire crabs are tiny, reaching only 2 inches in length including their legs.
Front view of a vampire crab sitting on a leaf
Vampire crabs use their claws to attack, but they're too small to injure humans.
Two vampire crabs sitting on white rocks with water in the background
Male vampire crabs are larger than females and their claws are slightly lighter in color.