Kristin M Aquilino, PhD
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Making haste at a snail's pace: Saving the endangered white abalone

Do you want the good news or the bad news first? How about both at once: We think there are now more endangered white abalone in captivity than remain in the wild. While this sadly highlights the critical state of wild white abalone, it also demonstrates the huge success of the white abalone captive breeding program.
Kristin Aquilino holds a white abalone at UC Davis Bodega Marine Lab
Intense overfishing of this tasty marine snail earned it a spot on the endangered species list in 2001. Abalone happen to be terrible at long-distance relationships, and with wild white abalone so far apart from one another that they were unable to reproduce successfully, experts determined that captive breeding and outplanting were the best ways to save the species.
White abalone at UC Davis Coastal and Marine Sciences Center Bodega Marine Lab
Photo by John Burgess/Press Democrat
After disease hampered early breeding efforts, the program headquarters moved to UC Davis Bodega Marine Laboratory in 2011. Between antibiotic cleansing baths and exfoliating, coconut oil and beeswax treatments, our white abalone healthcare plan now reads like a relaxing spa retreat. With healthy animals and a great deal of collaboration among scientists, aquarists, and aquaculturists to help get the animals “in the mood” for spawning, captive production skyrocketed, from just a few dozen produced during the 2012 spawning season to tens of thousands annually. 
The National Oceanic and Atmospheric Administration now lists white abalone as one of its eight “Species in the Spotlight,” those species most at risk of going extinct in the near future. Happily, captive breeding efforts bring new hope to recovery efforts, and we are excited to start pilot outplanting work in the next few years. By replacing overhead pipes with towering kelp forests and swapping out submersible pumps for steady ocean swells, we hope our precious baby snails might save their species from the verge of extinction.
Endangered white abalone
Picture
It's incredibly exciting to direct UC Davis Bodega Marine Laboratory's White Abalone Captive Breeding Program. I love the opportunity to integrate research, mentoring, and outreach among lab groups within UCD BML and among state and federal agencies, aquariums, and commercial aquaculture facilities (see list of partners below). Our research focuses on reproductive conditioning, improving post-settlement survival, and enhancing the genetic integrity of our broodstock.

Video: Delicacy of the Deep, Saving White Abalone




​Selected White Abalone Captive Breeding Program Partners

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  • About
  • Press & Outreach
    • Press
    • Outreach
  • Research
    • White Abalone
    • Biodiversity
    • Publications
  • BIO
  • Give
  • Contact