පසංගිල්ලා
Pentaceraster cumingi, commonly known as the Cuming’s sea star, is a strikingly beautiful species of starfish native to the Indo-Pacific region. Known for its unique appearance and ecological significance, this sea star is a fascinating marine organism that captivates marine enthusiasts and researchers alike.
No 560 Pambala South, Kakkapalliya, Sri Lanka
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Pentaceraster cumingi is distinguished by its robust, pentagonal body with five arms radiating symmetrically from a central disc. Its upper surface is adorned with prominent, conical spines, giving it a textured appearance. The coloration varies, but it often features a vibrant combination of red, orange, and brown, with the spines sometimes contrasting in white or cream. These colors serve both as camouflage and a warning to predators.
Pentaceraster cumingi is an opportunistic feeder, primarily consuming detritus, algae, and small invertebrates. It plays a significant role in the ecosystem by recycling nutrients and maintaining the balance of the reef environment. Like other sea stars, it uses its tube feet to pry open the shells of bivalves, extruding its stomach to digest the prey externally.
As a member of the reef community, Pentaceraster cumingi contributes to the overall health of its habitat. By preying on algae and detritus, it prevents overgrowth that can suffocate coral reefs. Its presence also indicates the health of the marine ecosystem, making it a valuable species for ecological monitoring.
This species inhabits the shallow waters of the Indo-Pacific, particularly around coral reefs, sandy lagoons, and rocky seabeds. It thrives at depths ranging from the intertidal zone to about 40 meters. Countries like the Philippines, Indonesia, and the Maldives are well-known for hosting populations of this sea star.
Reproduction in Pentaceraster cumingi occurs through external fertilization. During spawning, males and females release sperm and eggs into the water column, where fertilization takes place. The fertilized eggs develop into free-swimming larvae, which eventually settle on the ocean floor and metamorphose into juvenile sea stars.
While Pentaceraster cumingi is not currently listed as endangered, its habitat faces threats from climate change, coral bleaching, overfishing, and pollution. Sustainable marine management practices and the protection of coral reef habitats are essential for ensuring the survival of this and other reef-dwelling species.
