Alex Mustard / Saddleback anemonefish (Amphiprion polymnus) and a Spotted porcelain crab (Neopetrolisthes maculatus) living together in an anemone. Bitung, North Sulawesi, Indonesia, Lembeh Strait, Molucca Sea.

Alex Mustard / Pygmy seahorse (Hippocampus bargibanti) among a Sea fan (Muricella sp.) on a coral reef, Bitung, North Sulawesi, Indonesia. Lembeh Strait, Molucca Sea.

Alex Mustard / Marine iguana (Amblyrhynchus cristatus) feeding on green algae on seabed, with more iguanas on the surface behind, Cape Douglas, Fernandina Island, Galapagos Islands, Pacific Ocean.

Alex Mustard / Mexican hogfish (Bodianus diplotaenia) male, with Pacific creolefish (Paranthias colonus) behind, swimming over reef, Darwin Island, Galapagos Island, Pacific Ocean.

Roman Willi / Tracking shot of an Olive ridley sea turtle (Lepidochelys olivacea) hatchling moving towards the ocean, Osa Peninsula, Costa Rica. November.

Roman Willi / Olive ridley sea turtle (Lepidochelys olivacea) hatchling moving towards the ocean. Then the animal gets swept away by a wave. Osa Peninsula, Costa Rica. November.

Roman Willi / Tracking shot of an Olive ridley sea turtle (Lepidochelys olivacea) hatchling moving towards the ocean during sunrise. In the background, other hatchlings are doing the same. Osa Peninsula, Costa Rica...

Roman Willi / Olive ridley sea turtle (Lepidochelys olivacea) hatchling moving towards the ocean, Osa Peninsula, Costa Rica. November.

Roman Willi / Tracking shot of an Olive ridley sea turtle (Lepidochelys olivacea) hatchling moving towards the ocean during sunrise, Osa Peninsula, Costa Rica. November.

Roman Willi / Olive ridley sea turtle (Lepidochelys olivacea) hatchlings moving towards the ocean, Osa Peninsula, Costa Rica. November.

Roman Willi / Olive ridley sea turtle (Lepidochelys olivacea) hatchlings climbing out of nest, Osa Peninsula, Costa Rica. November.

Roman Willi / Olive ridley sea turtle (Lepidochelys olivacea) hatchlings climbing out of nest, Osa Peninsula, Costa Rica. November.