Scientists call long-spined sea urchins 'the lawn mowers of the reefs' because they eat algae that could otherwise smother reef ecosystems and kill corals.
to juveniles in a lab setting. A substrate is the surface on the sea floor on which an organism lives or obtains its nourishment.
To reach their findings, UF/IFAS scientists relied on the Florida Fish and Wildlife Conservation Commission to bring adult urchins from the Florida Keys to the Florida Aquarium Conservation Campus. There, researchers induced the urchins to spawn in captivity. Restoring the long-spined sea urchin is critical because in the early 1980s, disease nearly wiped out the species. That die-off almost immediately led to algae overgrowing reefs.
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