Pollution and over-use have devastated Carribean coral reefs. Sponges and algae are now the dominant organisms in many places.
In between dives, graduate student Allison Matzelle prepares water samples for storage and later analysis.
Aquarius Reef Base is the only underwater habitat and laboratory available to researchers. Operated by Florida International University, it sits in 60 feet of water on Conch Reef, off the coast of the Florida Keys.
A former dive shop purchased by Florida International University currently serves as the shore base for Aquarius operations. The University hopes to build a new facility with laboratories and dormitories.
Professor Mark Patterson of Northeastern University makes plans with technician Sara Williams to use a new instrument in their studies of coral physiology.
The R/V Research Diver is one of three boats that supports activities in and around Aquarius.
Activities in and around Aquarius are constantly monitored at the watch desk, frequently staffed by FIU Director of Operations, Roger Garcia.
Lids are taped onto water samples collected at 60 feet of depth to ensure air trapped into the tubes doesn't blow them off as it expands on the trip back to the surface.