2019 Coral Reefs Postcard Stamps Self-Adhesive Pane of 20 for Postcards

Elkhorn coral has been declared an endangered species.  It was once plentiful, but an outbreak of white band disease in the 1980s reduced the population by 97 percent.  Several other threats have hurt the elkhorn population, including coral bleaching (loss of the algae in its tissue), climate change, and storm damage.  This affects only only the coral, but the creatures that depend on it to survive.

Attempts have been made to help recover the elkhorn coral’s numbers, with some success.  One advantage they have is that broken antlers can attach themselves to the ground to form new colonies, helping the elkhorn to slowly recover on its own.