David Fleetham / Hawksbill Turtle (Eretmochelys imbricata) and a shoal of fish near sea surface. Tubbataha Reef, Philippines.

Edwin Giesbers / Saltwater crocodile (Crocodylus porosus) close up portrait, Sarawak, Borneo, Malaysia

Suzi Eszterhas / Komodo Dragon (Varanus komodoensis) pair flicking tongues, Komodo National Park, Indonesia

Chien Lee / Minden / Black-headed Cat Snake (Boiga nigriceps) swallowing alive Harlequin Flying Tree Frog (Rhacophorus pardalis) prey, Kubah National Park, Sarawak, Malaysia, sequence 1 of 4

David Fleetham / Komodo dragon (Varanus komodoensis), the world's largest lizard. Rinca Island, Komodo National Park, Indonesia.

David Fleetham / Komodo dragon (Varanus komodoensis), with sailing-boat in background. Rinca Island, Komodo National Park, Indonesia.

Chien Lee / Asian Brown Tortoise (Manouria emys) male in rainforest, Tawau Hills Park, Sabah, Malaysia

Chien Lee / Red-headed Krait (Bungarus flaviceps) in rainforest, Santubong National Park, Sarawak, Borneo, Malaysia

Daniel Heuclin / Sunda island pitviper (Trimeresurus insularis) in tree, Komodo Island.

Chris Mattison / Six-lined long-tailed lizard (Takydromus sexlineatus), captive, occurs South East Asia

Michael D. Kern / Black headed cat eye snake (Boiga nigriceps) captive, from SE Asia

Daniel Heuclin / Kramer's / Large Eyed Pit Viper (Cryptelytrops / Trimeresurus macrops). Captive. Endemic to South East Asia.