Red Knobby Sea Star

The Red Knob Sea Star can eat soft corals, sponges, clams, other starfish and other invertebrates. We list as "Reef Safe w/ Caution" as certain aquariums that are SPS/LPS Dominated without ornamental shrimp or other starfish could be a suitable reef home for this inhabitant.

The Red Knobby Sea Star, scientifically known as Protoreaster lincki, is a captivating marine creature renowned for its striking appearance and unique features. Resembling a vibrant underwater flower, this sea star boasts a mesmerizing hue ranging from deep crimson to fiery scarlet, which stands out vividly against the backdrop of oceanic blues and greens.

Its name derives from the prominent knobs that adorn its five arms, creating a distinctive texture reminiscent of small, rounded bumps. These knobs serve both as a protective mechanism and aid in locomotion, allowing the sea star to navigate across various surfaces with remarkable agility.

Measuring up to 30 centimeters (12 inches) in diameter, the Red Knobby Sea Star possesses a robust yet graceful presence as it gracefully maneuvers through coral reefs and rocky seabeds. Its arms, adorned with rows of tiny tube feet, delicately grip and glide over substrates, enabling the sea star to forage for food and explore its surroundings.

Inhabiting the tropical waters of the Indo-Pacific region, including the coral-rich reefs of the Philippines, Indonesia, and Australia, the Red Knobby Sea Star is often found in shallow coastal waters, where it thrives amidst a diverse array of marine life.

Beyond its visual allure, the Red Knobby Sea Star plays a crucial ecological role as a scavenger and predator, feeding on detritus, small invertebrates, and carrion. Its presence contributes to the balance of marine ecosystems, ensuring the efficient recycling of nutrients and promoting biodiversity.

While the Red Knobby Sea Star enchants with its vibrant coloration and distinctive morphology, it also serves as a symbol of the delicate beauty and interconnectedness of the underwater world, inspiring awe and appreciation among divers, researchers, and marine enthusiasts alike.