The Undulate Ray, scientifically known as Raja undulata, is a species of ray belonging to the family Rajidae. This fascinating creature can reach a maximum size of 100.0 cm and is commonly found at depths ranging from 50.0 to 200.0 meters.
Description & Characteristics
The Undulate Ray, Raja undulata, is a species of ray characterized by its distinct undulating pattern. It exhibits a flattened body with a broad, wing-like pectoral fins extending from the head to the tail. This species boasts a greyish-brown dorsal surface with distinct darker blotches, providing camouflage against the seabed. These blotches often exhibit a wave-like pattern, giving rise to the species’ common name.
Habitat and Occurrence
The Undulate Ray, Raja undulata, is a benthopelagic species, inhabiting the bottom layers of the ocean floor. It is typically found in marine zones like the bathyal zone (200-4000m) and the continental shelf. This species thrives in temperate waters, particularly along the coasts of Europe, where it is commonly encountered.
Taxonomy
The species Raja undulata belongs to the Class: Elasmobranchii, Order: Rajiformes, and Family: Rajidae. This classification places it within the broader group of cartilaginous fishes, which also includes sharks and chimaeras. The Rajiformes order encompasses all rays, while the Rajidae family specifically includes skates, a diverse group of rays characterized by their flattened bodies and wing-like pectoral fins.
Feeding
The Undulate Ray, Raja undulata, is a carnivorous predator that primarily relies on a diet of benthic invertebrates. Its diet consists of a variety of organisms, including clams, crabs, edible crab, krill, mysis, shrimps, sepia, snails, starfishs, worms, and zoobenthos. This species utilizes its sharp teeth to crush and consume its prey, playing a crucial role in maintaining the balance of its ecosystem.
Image References