Squatina squatina, commonly known as the angelshark, is a bottom-dwelling species found in the sandy or muddy seabeds of the northeastern Atlantic Ocean. Known for its unique flattened body and wing-like pectoral fins, it resembles a ray. This nocturnal predator ambushes prey like fish and crustaceans.

Squatina squatina, commonly known as the angelshark, is primarily found in the coastal waters of the northeastern Atlantic Ocean. Its geographical distribution extends from the southern coast of Norway and Sweden, through the British Isles, down to the western Mediterranean Sea, including the waters of Morocco, Algeria, and Tunisia. Historically, it has also been present in the Black Sea, though sightings there have become rare.

Squatina squatina inhabits temperate waters, typically found on sandy or muddy seabeds where it can easily camouflage itself. The species prefers shallow coastal waters, often at depths ranging from 5 to 150 meters, although it may be found deeper. The angelshark is adapted to cooler water temperatures and often resides in areas with moderate to strong currents.

The angelshark is a bottom-dwelling predator, playing a crucial role in marine ecosystems by maintaining the balance of species populations. It feeds on a variety of prey, including fish, crustaceans, and mollusks, which it captures by ambushing them from its camouflaged position on the seabed. The species' flattened body and broad pectoral fins are specialized for life on the ocean floor.