How One Farm Raises the Rarest, Most Expensive Mollusk in America
Eater
March 2, 2026
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The Cultured Abalone Farm in Santa Barbara, California, is a key player in the U.S. abalone industry, supplying most of the red abalone found in restaurants across the country. As one of only two commercial red abalone farms, this farm not only grows these tender shellfish but also provides seed abalone to the other farm in Monterey, making it a pivotal source for abalone consumption in America. The farm’s manager, Andie Van Horn, emphasizes their mission to re-establish abalone as a California icon and promote sustainable farming practices.
The farmed abalone are raised in 450 tanks, each receiving about 30,000 pounds of fresh seaweed and kelp weekly. This diet supports the growth of the delicate shellfish, which require careful handling during harvesting due to their inability to clot blood after injury. Once mature, the abalone are harvested by experienced workers who gently remove them from tank walls before packaging them in ice-filled boxes for distributors and restaurants, ensuring they remain fresh for up to five days.
In addition to supplying a premium seafood delicacy, The Cultured Abalone Farm is committed to abalone conservation. Wild populations have drastically declined since the 1970s due to overfishing and habitat loss. The farm’s hatchery currently houses millions of white abalone eggs, nearly extinct in California waters, with only a small fraction surviving to adulthood. These survivors are nurtured for four to six years before reaching harvest size, reflecting the farm’s dedication to preserving these threatened species while meeting demand for this luxurious seafood.
For food enthusiasts and connoisseurs, this story highlights the importance of sustainable aquaculture in ensuring access to high-quality, responsibly sourced ingredients like abalone. The farm’s efforts not only support local culinary traditions but also contribute to the conservation of endangered marine species, aligning with growing consumer interest in eco-conscious dining choices.
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Originally published on Eater on 3/2/2026