Bat Star

red bat star clings to rock surface in tidepool
Bat Star. NPS

Quick Facts
Type: Echinoderm

Diet: Omnivore; Seaweed, limpets, barnacles, detritus

Average lifespan: 30 years

Average size: Up to 20 cm.

Average weight: Unknown

Did You Know?
Tiny worms called annelid worms live in grooves on the underside of the bat star's arms and eat the bits of food leftover by the sea star.

Last updated: November 18, 2016