This species is associated with soft coral and has transparent spines with black and red stripes. They have two longitudinal lines on each arm. There are different species but they are very difficult to differentiate.

This species can be recognized by rows of rounded tubercles along the rays. The nodules join together along the arms forming bands. They live on coral reefs but can also be found on sandy patches. Their color is pinkish and creamy white. Their body size is up to 25 cm.

This sea star is very common. They are usually found in shallow water and can have several color variations. They appear to be scavengers but can also feed on algae and microbes. Their body size is up to 40cm.

This species is usually small with a mottled red, blue or yellow colors. This sea star can reproduce asexually by casting off an arm which can grow into a new sea star. It can regenerate a new arm to be the same as the other remaining arms. It can be found in shallow water. It can be a suspension feeder but may also feed upon microscopic algae.

When turned over, this species looks like a ball that has 5 canals extending from the central mouth. It feeds on coral but it’s difficult to inflict the same damage that COTS do. It has variable colors and patterns. Its body size is up to 25 cm.

This species is very easy to recognize with their large body size and they are very common on the reef. Their body is pinkish gray with some orange. They commonly live in shallow reefs. They appear to be scavengers on dead animal material. Their body size is up to to 30 cm.

This species is a common one at a couple dive sites at Lembeh Strait. They are found in big groups when they are blooming. Usually they are nocturnal or active at night. They have very venomous spines which cause painful wounds, and their arms regrow very quickly if cut off. They aggressively feed on hard and fast growing coral like Acropora sp. They have different color variations including green, blue and red in different sizes up to 50 cm.