A pair of sheepcrabs mating in the surfgrass at Catalina Island.
Huge bat rays gather in the sandy shallows to feast on crustaceans, mollusks, and small fish. This particular ray had a wingspan of at least four feet.
Colorful gorgonian sea fans line the inside of a small cave at a site called White Rock at Catalina Island.
Sun beams pierce the thick kelp canopy at Rock Quarry off the coast of Catalina Island, California.  It was stunning to witness the light dancing on the sea floor.
A large California moray peers out from its shelter deep within a crevice.
The Piper Warrior wreck at Catalina Island.
Giant Sea Bass at Catalina Island, California.  Contributed by Michael Zeigler.
Michael Zeigler's beautiful image of the bright orange Garibaldi in the dive park at Casino Point, Catalina Island.
A fun trio of sea lion pups at Los Islotes. La Paz, Mexico by Michael Zeigler.
A pair of sheepcrabs mating in the surfgrass at Catalina Island.
A pair of sheepcrabs mating in the surfgrass at Catalina Island.
A pair of sheepcrabs mating in the surfgrass at Catalina Island.
See photo in original gallery.