Most hobbyists are awed by the magic of fluorescence in corals but few have successfully photographed it.
While Berkelhamer does not claim to be an expert, the success of his SPS dominated reef tank speaks for itself.
Catching the act of pelagic spawning in your reef fish can be a chance occurrence - unless you know what to look for.
The Tuka anthias are some of the most difficult fish to keep alive, partly due to their dietary requirements.
Of the many coral reefs worldwide, there are only a few that are still truly thriving.