Removal of Crown-of-Thorns Sea Stars During Outbreak

NOAA Diving Center (NDC) diver Zach Hileman injecting a crown-of-thorns sea star with ox bile in the National Marine Sanctuary of American Samoa (NMSAS), 2014. NOAA divers were responding to an overabundant population of crown-of-thorns sea stars that posed a threat to hard corals in the area.