The Cushion Star, scientifically known as Halityle regularis, is a fascinating marine invertebrate belonging to the family Oreasteridae. This star-shaped creature is a captivating sight in the underwater world, exhibiting unique characteristics and an intriguing lifestyle.
Description & Characteristics
Halityle regularis, commonly referred to as the Cushion Star, is a relatively small starfish, with adults typically reaching a maximum size of around 10 centimeters in diameter. Its body, as the name suggests, has a cushion-like, somewhat inflated appearance, giving it a distinct rounded shape. The surface of the Cushion Star is often covered in small, granular bumps, giving it a textured feel. The arms, or rays, are short and thick, blending smoothly into the central disc of the body, further contributing to its rounded form.
Habitat and Occurrence
Halityle regularis is commonly found in shallow, rocky intertidal zones and subtidal regions. This species is particularly prevalent in the Indo-Pacific region, with its distribution extending from the eastern coast of Africa to the western coast of the Americas. Halityle regularis thrives in environments with moderate wave action and a diverse range of marine life, often residing in tide pools and coral reefs. The Cushion Star is a common sight in the intertidal zone, adapting well to the fluctuating conditions of this dynamic marine ecosystem.
Taxonomy
The Cushion Star, Halityle regularis, falls under the Class Asteroidea, which encompasses all starfish species. Within this class, it belongs to the Order Valvatida, known for its distinctive valve-like structures. This Order further classifies Halityle regularis into the Family Oreasteridae, a group of starfish with a more rounded, cushion-like form, contributing to the name of this specific species.
Feeding
Halityle regularis is an omnivore, exhibiting a diverse diet. It feeds on a variety of organisms, including algae, small invertebrates, and even dead animal matter. The Cushion Star plays a vital role in the marine ecosystem by consuming detritus and helping to regulate the population of small invertebrates.
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