Spawning in California occurs between March and May, may last over a week, and results in individuals losing up to 5% of their body mass. The cinnamon-red eggs are laid in gelatinous spiral strings up to 3.3 ft (1 m) long, which do not stick to the substratum and are broken up by waves. Release of eggs by females triggers the release of sperm by males. Trochophore larvae are liberated from the egg roughly five days post-fertilization, following a free-swimming period of up to 20 hours, then settle and begin metamorphosis.
CONSERVATION STATUS Not listed by the IUCN.
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