Coral ID

Caribbean Marine Life ID Gallery: Corals
On snorkelstj.com (Snorkel St. John, USVI)
Stony Corals (Hard Skeleton)
Octocorals (Soft Skeleton)
Cup and Tube Corals (Hard Skeleton)
Hydrocorals-not true corals
There are multiple high quality photos of each species

Coralpedia
University of Warwick (U.K.) website by Professor Charles Sheppard. Photos and text description for each species. Comprehensive. About the Project

Guide for the Identification of the Shallow Water Corals of the Wider Caribbean (PDF)
Ernesto Weil and Hector Ruiz Department of Marine Sciences, University of Puerto Rico. 2003

PICTURE GUIDE TO STONY CORALS OF GLOVERS REEF ATOLL
Created for WCS by Dr. Tom Bright and Dr. Judy Lang, March 2013. 10 page PDF