While I was in Florida I was working in fish and coral aquaculture. Corals at the Florida Keys are threaten by Coral desease and coral bleaching due to pollution and climate change. 

 Fish tagging (Snook) in Sarasota, Florida

Coral aquaculture at Mote Marine Laboratory in Summerland Key, Florida
Coral aquaculture in outdoor tanks in order to repopulate the corals at the Florida Keys
Here you can see how pieces of corals are attached through an epoxy to a base. When they grow enough, they will be released at the sea.

Views from my apartment in Summerland Key
Beautiful sea at Florida Keys

This coral is unhealthy, you can see it because it has some white parts that are dying.

This coral has an invasive sponge growing over it

This coral has some warms growing over it