Stephen Dalton / House spider (Tegenaria sp) lurking at entrance of funnel web, UK, Agelenidae

Fred Bavendam / Common Lionfish (Pterois volitans) lurking among Feather Star Crinoids clinging to the lip of a large Barrel Sponge, Bali, Indonesia

Shibai Xiao / Hundred pace pitviper (Deinagkistrodon acutus) lurking along stoney path, Guizhou Province, China.

Tim Laman / Saddleback / Blacksaddle coral grouper (Plectropomus laevis) lurking amongst corals on the Liberty shiprwreck, Tulamben, Bali, Indonesia, May 2006

Stephen Dalton / House spider (Tegenaria domestica) lurking at entrance of funnel web, UK, Agelenidae

Andy Rouse / Leopard (Panthera pardus) lurking in undergrowth, Masai Mara, Kenya, Africa

Juergen Freund / Lifeguard removing Jellyfish from net, after clearing stinger-resistant enclosure, Queensland, Australia Note - Surf Lifesaving Queensland have an effective policy of dragging nets through the water...

Willem Kolvoort / Pike (Esox lucius) lurking under aquatic plants in sand winning pit, Holland

Solvin Zankl / Gentoo Penguin {Pygoscelis papua} switching from the horizontal swimming position to an upright walking posture, as fast as possible to avoid attack from Sealions lurking in the surf line. Falkland Is...