Alex Mustard / In-camera motion blur image of a female Hedgehog Seahorse (Hippocampus spinosissimus). Lembeh Strait, Sulawesi, Indonesia, Molluca Sea, March.

Alex Mustard / Two Denise's Pygmy Seahorses (Hippocampus denise) on a seafan (Muricella sp.). Digital composite. Misool, Raja Ampat, West Papua, Indonesia, November.

Tim Laman / Vines ascending up a rainforest tree in lowland forest, Gunung Palung National Park, Borneo, West Kalimantan, Indonesia

Juergen Freund / Indonesian boy amongst water lilies, Bali, Indonesia.

Juergen Freund / Close-up detail of coral, Philippines

David Fleetham / Silhouette of green sea turtle (Chelonia mydas), Sipidan, Malaysia.