Linckia laevigata (sometimes called the "blue Linckia" or blue star) is a species of sea star in the shallow waters of tropical Indo-Pacific.

In the wild, the Blue Linckia Sea Star is found in the sunny areas of the reef and reef fringe, constantly foraging for food. In the home aquarium setting, the Blue Linckia Sea Star prefers a well-lit sandy or coral rubble substrate, with many rocky hiding places.

One of the most widely distributed and easy-to-spot sea star, for example in Indonesia, Philippines, Guam and the Great Barrier Reef. Most commonly blue (from light blue to dark blue, generally pure blue), but sometimes light-brown or light-pink.

Linckia lae­vi­gata is char­ac­ter­ized by five cylin­dri­cal arms with a bright blue or light blue body color and yel­low tube feet. Green, pink, and yel­low col­ors have also been ob­served. In­di­vid­u­als can grow up to 30 to 40 cen­time­ters across.

The blue sea star is one of the most common starfish in the Indo-Pacific. here, photographed in Siladen Island, Indonesia. Most starfish are totally harmless, but learn to identify the crown-of-thorns starfish. These colored stars with 10 to 20 arms proliferate periodically in the Indo-Pacific, where they are a voracious predator of coral.

The Blue Linckia Sea Star, Blue Sea Star, or Blue Starfish is typically found in reefs and reef fringe areas, constantly foraging for food on live rock and sand. Blue Linckia Sea Stars grow rather large reaching 16 inches in size, making them suitable for only very large aquariums.

On the Great Barrier Reef, L. laevigata is well known for its royal/bright blue color and thus are commonly called the blue sea star/ blue starfish.

The Blue Sea Star (Linckia Laevigata), also known as the Blue Linkia or Blue Star is a species of Sea Star that is native to the Western Pacific, Indian Ocean, Central Pacific Ocean, and the Indo-Pacific region.

Found singly or in a constellation, over shallow waters exposed to sunlight, amongst dead coral, rocks, rubble, sponges, and over algae and seagrass beds, of reef slopes. Blue is its common colour, but varies from place to place. They feed on detritus and small invertebrates.

The blue sea star (Linckia laevigata) is a species of starfish found in the shallow waters of the Indian and Pacific oceans. Known also as the blue Linckia and the comet sea star, this starfish is usually blue in color but can also be found in shades of aqua, purple, and orange.