ダルマザメ
Scientific name [i]Isistius brasiliensis[/i], a species of deep sea shark found throughout the oceans worldwide. They are known to be parasitic, latching on their prey's skin and feeding off with their eponymous jaws.

h4. External links

* "Wikipedia: Cookiecutter shark":[https://en.wikipedia.org/wiki/Cookiecutter_shark]
cookiecutter shark