Scientific Name: Clypeasteroida
Range: Alaska to Baja California
Habitat: Sandy seafloor
Diet: Diatoms and detritus
Size: Up to 3.5 in (9 cm)
Fun Fact: Can be found in large aggregations where they orient themselves with the currents to feed and breathe. Young sand dollars swallow sand to make them heavier to withstand the strength of the currents.
IUCN Conservation Status: Not endangered