Appearance
''Protoreaster linckii'' grows to a maximum diameter of 12 inches. It has numerous tubercles located along its five arms. These tubercles are bright red and extend upward from the arms. It has a gray body with stripes that connect the tubercles. This creates an appearance of a grid made of interconnecting wires.The skeleton is composed of many calcareous ossicles and spicules. They are located inside the layer of connective tissue. This skeleton supports the large disk.

Behavior
''Protoreaster linckii'' is active in the daytime. It is a popular aquarium fish, however, it is considered incompatible with other animals as it will eat many different species, such as soft corals, sponges, tubeworms, clams, other starfish, and various invertebrates.Habitat
This species is found in locations ranging from shallow tidal pools to reefs up to 100 metres deep.Food
''Protoreaster linckii'' is active in the daytime. It is a popular aquarium fish, however, it is considered incompatible with other animals as it will eat many different species, such as soft corals, sponges, tubeworms, clams, other starfish, and various invertebrates.References:
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