Squatina Squatina is a species of shark commonly known as the angel shark. Its unique shape allows for it to blend in with sandy bottoms, making it a skilled predator in the ocean. As with many species of animals, the scientific name, Squatina Squatina, has synonyms that describe this elusive creature. Angel sharks are part of the genus Squatina, but they are also called monkfish due to their resemblance to the eastern Atlantic monkfish. The angel shark is also known as the sand devil, sand bar shark, and angel ray. Although it has fewer common names than other species of sharks, the angel shark is still highly sought after by marine enthusiasts and divers alike.