Mature individuals migrate to sandy beaches to spawn in the spring. As the tide rises, males approach the beaches in large groups. Females follow and couple with the males. Spawning occurs mostly at night and near the high-tide line. Females bury approximately 20,000 eggs in a series of clusters that are fertilized by males. The eggs hatch into trilobite larvae after 13-15 days.
CONSERVATION STATUS Not listed by the IUCN.
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