Jeff Rotman / Jewel grouper (Cephalopholis miniata) portrait, Red Sea, Egypt

Alex Mustard / Blue ringed octopus (Hapalochlaena lunulata) swims, jet propelled, across coral. Dampier Strait, Tropical West Pacific Ocean.

Claudio Contreras / Spotted boxfish (Ostracion meleagris), Cabo Pulmo National Park, Sea of Cortez (Gulf of California), Mexico, July

Claudio Contreras / Flag cabrilla (Epinephelus labriformis), Cabo Pulmo National Park, Sea of Cortez (Gulf of California), Mexico, July

Franco Banfi / Eye detail of Tasselled wobbegong (Eucrossorhinus dasypogon) Cendana Jetty, Waigeo island, Raja Ampat, Irian Jaya, West Papua, Indonesia, Pacific Ocean

Franco Banfi / Headshield slugs (Micromelo undatus) Raja Ampat, Irian Jaya, West Papua, Indonesia, Pacific Ocean

Franco Banfi / Marble shrimp (Saron sp.) Raja Ampat, Irian Jaya, West Papua, Indonesia, Pacific Ocean