The Right Blue

What: White-speckled Hermit Crab ( Paguristes punticeps ), a Caribbean species -- size: about 3 to 5 in. (8 to 13 cm) . Where: I took this...

by B. N. Sullivan Here is something very beautiful that lives in the ocean that snorkelers almost never get to see. They don't get to...

What: Hawaiian Swimming Crab ( Charybdis hawaiiensis ), a nocturnal animal that hides in crevices during the day. Where: I took this photo...

by B. N. Sullivan Over the years we have had many encounters with sharks while diving. We have told quite a few tales about sharks here o...