Did you know that this species is more than 400 million years old, it can be said that it is a living dinosaur.
His blood is very valuable within the pharmaceutical industry because it contains cells that release a coagulating substance.
Depending on the size of the females they can put between 15,000 and 90,000 eggs.
Despite surviving millions of years now this species is endangered in danger of extinction due to the intervention of man.
