Echinaster arcystatus, commonly known as the “arcystatus starfish,” is a species of starfish belonging to the family Echinasteridae. This species is found in a variety of marine environments, showcasing its adaptability and resilience.
Description & Characteristics
Echinaster arcystatus is a starfish characterized by its distinctive features. Its body is typically star-shaped, with five arms radiating from a central disc. The surface of the body is covered in numerous small, spiny projections, giving it a rough texture. The color of Echinaster arcystatus can vary depending on its habitat and individual variation.
Habitat and Occurrence
Echinaster arcystatus is a species that thrives in a range of marine habitats, primarily in shallow waters. The species is commonly found in intertidal zones, where it experiences regular exposure to air and water. The species also occurs in subtidal zones, which remain submerged even at low tide, demonstrating its versatility in adapting to diverse environments.
Taxonomy
Echinaster arcystatus belongs to the Class Asteroidea, which encompasses all starfish species. Within this class, it is further classified under the Order Spinulosida, a group characterized by spiny bodies and a specific skeletal structure. This species is a member of the Family Echinasteridae, a family of starfish known for their distinctive features and ecological roles.
Feeding
Echinaster arcystatus is a carnivorous species, meaning it feeds on other animals. Its diet consists primarily of a variety of invertebrates, including small crustaceans, mollusks, and other marine organisms. This species plays a vital role in its ecosystem by controlling populations of these organisms, contributing to the balance of the marine community.
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