Sea urchins graze on and clean a type of algae that competes with coral, and their decimation is a big reason for the decline of the coral reef ecosystem in the Caribbean. Sea urchins play an ...
The sea urchin biocontrol project has released 600,000 sea urchins across the state. The collector urchins (Tripneustes gratilla) are spawned, settled and raised at the state’s Anuenue Fisheries ...
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