Blue Linckia Starfish

Superpower

Can regrow a whole new body from a single severed arm.

At a glance

Size

typically 20 cm, up to 40 cm

Lifespan

5–10 years

Depth

1–60 m

Habitat

Reef flats and rubble in clear, sunny water.

Diet

Algae, microbes and detritus grazed off the reef.

Can I eat it?

No — this one is not eaten.

Fun facts

• •A lost arm can grow into an entirely new starfish.
• •Its electric blue colour is unusual in the animal world.
• •It walks on hundreds of tiny tube feet underneath.