Claudio Contreras,Claudio Contreras / Crocodile Flatheadfish (Cymbacephalus beauforti), Inanuran Island, Danajon Bank, Central Visayas, Philippines, April

Pascal Kobeh / Tentacled flathead (Papilloculiceps longiceps), two on deck of Mitsio wreck, many fish schooling in background. Nosy Be, Madagascar.

Pascal Kobeh / Tentacled flathead (Papilloculiceps longiceps), three camouflaged on sea floor. Near Mitsio wreck. Nosy Be, Madagascar.

Pascal Kobeh / Spiny flathead (Onigocia spinosa) half buried in sand on sea floor. Flores Sea, Indonesia.

Pascal Kobeh / Fringe-lip flathead (Sunagocia otaitensis) half burried in the sand and mimicking the sea floor. Flores Sea, Indonesia.

Magnus Lundgren / Wild Wonders of China / Fringe-lip flathead (Thysanophrys otaisensis) located southwest in Taiwan.

Pascal Kobeh / Fringe-lip flathead (Thysanophrys otaitensis) camouflaged on sand, Sulu Sea, Philippines

David Fleetham / Slender spongegoby (Phyllogobius platycephalops) and two Crabs of different species on Sponge. Several parasites with egg cases on the side of the Goby. Philippines.

Piotr Naskrecki / Flathead Leaf-toed Gecko (Hemidactylus platycephalus) foot pads showing scales which enable it to climb vertical surfaces, Gorongosa National Park, Mozambique

Jan Hamrsky / Flathead mayfly nymph (Heptagenia flava), on piece of submerged wood, Europe, June, controlled conditions

Jan Hamrsky / Flathead mayfly nymph (Heptagenia flava), on piece of submerged wood, Europe, June, controlled conditions

Jan Hamrsky / Flathead mayfly nymphs (Ecdyonurus sp.), camouflaged on a stone underwater, Europe, June, controlled conditions