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Anthenea pentagonula starfish
Anthenea pentagonula starfish
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$94.99
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- Appearance: Like other cushion stars, Anthenea pentagonula has a compact, inflated body with a prominent central disc and short, broad arms that create a pentagonal shape. Its surface is covered in tiny, granular ossicles.
- Coloration: The coloration of cushion stars varies widely, but descriptions of Anthenea pentagonula include reddish, orange, and brownish hues.
- Juvenile form: In its juvenile stage, the sea star is flatter with more defined arms. As it matures, the central disc expands and the arms become less pronounced, leading to its characteristic cushion shape.
Habitat and distribution
Habitat: As a member of the Oreasteridae family, this species is typically found in shallow tropical reef habitats. The reefs provide the sea star with protection and surfaces to climb.
- Distribution: Anthenea pentagonula is found in the Indo-Pacific region, with a range that includes Australia, Southeast Asia, and the Indian Ocean.
Behavior and diet
Diet: Anthenea pentagonula is a scavenger that feeds on detritus, dead organic matter, and small invertebrates such as coral polyps, helping to keep its ecosystem clean. It feeds by everting its stomach to digest food externally.
- Movement: It moves using rows of tube feet located on its underside.
Symbiotic relationships
Commensalism: The species is known to have commensal relationships with other organisms. Some shrimp species hide on its body for protection, and a species of pearlfish is known to live inside it.
Reproduction and regeneration
Regeneration: Like many sea stars, it has remarkable regenerative abilities. A new individual can grow from a single arm and part of the central disc.
- Reproduction: It reproduces sexually with other sea stars.
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