Angel sharks are fairly common again this summer, after being rare for about 5 years. The name presumably comes from their large wings. This one was out on top of the sand, and waited patiently through about 10 shots, before shooting off itself. I try to stay away from the mouth end, because they might mistake my glove for a tasty fish. Angel sharks are related to Atlantic "monk fish", which sometimes show up on restaurant menus.
Here's a more typical view of an angel shark. Usually the eyes poke through the sand, and sometimes some of the body and tail.
Or this.