Norbert Wu / Spider Crab feeds at night among soft coral polyps, Red Sea, Egypt

Norbert Wu / Spanish Dancer (Hexabranchus sanguineus) nudibranch, Red Sea

Chris Newbert / Grey Moray Eel (Gymnothorax griseus) portrait, Red Sea, Egypt

Chris Newbert / Pygmy Sweeper (Parapriacanthus ransonneti) school, inside cave at 40 feet, Red Sea, Egypt

Birgitte Wilms / Sea Anemones, Red Sea, Egypt

Chris Newbert / Feather Star (Heterometra savignii) swimming through water showing underside, Red Sea, Egypt

Birgitte Wilms / Emperor Shrimp (Periclimenes imperator / Zenopontonia rex) on Spanish Dancer (Hexabranchus sanguineus) nudibranch, Red Sea, Egypt