Theo Bosboom / Variable damselfly (Coenagrion pulchellum) pair mating, De Peel National Park, the Netherlands, July.

John Cancalosi / Boa Constrictor (Boa constrictor) shedding skin from head. Guanacaste National Park, Costa Rican tropical rainforest.

John Cancalosi / Boa Constrictor (Boa constrictor) shedding skin from head. Guanacaste National Park, Costa Rican tropical rainforest.

Adrian Davies / Orange peel fungus (Aleuria aurantia). Surrey, England, UK. October.

Ernie Janes / Orange peel fungus (Aleuria aurantia) Norfolk, England, UK, January.

David Fleetham / Lemonpeel angelfish (Centropyge flavissimus) Indonesia.

Nature Production / Portrait of Lemonpeel angelfish (Centropyge flavissima) front face, Chichijima, Ogasawara Islands UNESCO World Heritage Site, Japan

Franco Banfi / Orange peel nudibranch (Tochuina tetraquetra), Alaska, United States, North Pacific Ocean.

Pascal Kobeh / Orange peel nudibranch (Tochuina tetraquetra), Alaska, USA, Gulf of Alaska. Pacific ocean.

Adrian Davies / Orange Peel Fungus (Aleuria aurantia) Snowdonia, Wales, UK, October.

Alex Mustard / Detail of the sensory rhinophore of an Orange peel nudibranch (Tochuina tetraquetra). Browning Pass, Vancouver Island, British Columbia, Canada. North East Pacific Ocean.

Mark Carwardine / Basking Shark Society shark watching boat passes Peel castle, Isle of Man