Bat Star

Patiria miniata

a chubby red sea star with five stubby legs

Common Name: Bat Star

Scientific Name: Patiria miniata

Kingdom, Phylum, Class, Order, Family: Animalia, Echinodermata, Asteroidea, Spinulosida, Asterinidae

Diet: Omnivorous, scavenger

Habitat: Rocks, sand bottom, surf-grass, kelp; between low-tide region to ~300m depths

Range: Pacific Coast from Alaska to Mexico

Identification: ~5 arms that have tissue “webbing” between each arm, orange/brown/purple coloration

Reproduction: Broadcast spawning (discharge fertile sperm and eggs into water)

Behavior: Move slowly with tube-feet and can extend its stomach out of its body

Predators: Other Sea stars, mollusks, and crustaceans

Fact: Wasting disease has caused a large decline in sea stars, starting around 2013, through rapid tissue decay that is highly contagious.

Citations:Johnson and Snook, 1927.Russo, Ron, and Pam Olhausen. 1981.Ervin, J. 2000.Milligan, Kristen. 2016.