Caption: Part of the contents of one cubic foot of coral reef crest, the 423 creatures pictured here include roughly 200 species of fish, crabs, worms, shrimp, algae, snails, and other marine invertebrates, Location: Temae Reef, Moorea, French Polynesia, photograph copyright David Liittschwager. Contact: David Liittschwager, Natural History Photography, phone: 415 531 6882, email: liittschwager@mac.com