Pete Oxford / Grooved Brain coral (Diploria labyrinthiformis) Jardines de la Reina National Park, Cuba, Caribbean

Christian Ziegler / Great Star Coral (Montastraea cavernosa) growing directly beneath Red Mangroves (Rhizophora mangle), Bastimentos Marine National Park, Bocas del Toro, Panama

Christian Ziegler / Great Star Coral (Montastraea cavernosa) growing directly beneath Red Mangroves (Rhizophora mangle), Bastimentos Marine National Park, Bocas del Toro, Panama

Christian Ziegler / Brain Coral (Diploria labyrinthiformis), Bastimentos Marine National Park, Bocas del Toro, Panama

Pete Oxford / Christmas Tree Worm (Spirobranchus giganteus) filter feeding while attached to Brain Coral (Diploria labyrinthiformis), Bonaire, Netherlands Antilles, Caribbean

Pete Oxford / Christmas Tree Worm (Spirobranchus giganteus) filter feeding while attached to Brain Coral (Diploria labyrinthiformis), Bonaire, Netherlands Antilles, Caribbean

Pete Oxford / Christmas Tree Worm (Spirobranchus giganteus) filter feeding while attached to Great Star Coral (Montastraea cavernosa), Bonaire, Netherlands Antilles, Caribbean

Pete Oxford / Christmas Tree Worm (Spirobranchus giganteus) filter feeding while attached to Great Star Coral (Montastraea cavernosa), Bonaire, Netherlands Antilles, Caribbean

Pete Oxford / Brain Coral (Diploria labyrinthiformis), Bonaire, Netherlands Antilles, Caribbean

Pete Oxford / Christmas Tree Worm (Spirobranchus giganteus) on Brain coral. Punta Gruesa, Mahahual Peninsula, South Yucatan Peninsula, Mexico.

Pete Oxford / Symmetrical Brain Coral (Diplora strigosa). Sian Ka'an Biosphere Reserve, Quintana Roo, South Yucatan Peninsula, Mexico.

Pete Oxford / Brain Coral (Diploria labyrinthiformis) on reef, Jardines de la Reina National Park, Cuba

Pete Oxford / Symmetrical Brain Coral (Diploria strigosa) on reef, Jardines de la Reina National Park, Cuba

Juergen Freund / Purple coral-eating sponge (Nara / Chalinula nematifera) on brain coral, North Raja Ampat, West Papua, Indonesia.

Juergen Freund / Hard brain coral (Platygyra sp) covered with pink algae and fish, Moluccas Islands, Indo-pacific.

Juergen Freund / Close up of coral polyps of a brain coral, Lembeh Strait, North Sulawesi, Indonesia,

JEFF FOOTT / Brain coral bleached by raised water temperature, Dry Tortugas NP, Florida, USA

Georgette Douwma / Open / Folded brain coral (Trachyphyllia geoffroyi). Rinca, Komodo National Park, Indonesia. October

Georgette Douwma / Open / Folded brain coral (Trachyphyllia geoffroyi). Rinca, Komodo National Park, Indonesia. October

Georgette Douwma / Open / Folded brain coral (Trachyphyllia geoffroyi). Rinca, Komodo National Park, Indonesia. October

Pete Oxford / Brain Coral (Diploria labyrinthiformis), Belize Barrier Reef, Belize

Pete Oxford / Brain Coral (Diploria labyrinthiformis), Belize Barrier Reef, Belize

Pete Oxford / Boulder Brain Coral (Colpophyllia natans), Belize Barrier Reef, Belize

Georgette Douwma / Coral reef with table coral (Acropora sp), brain coral and porites coral. Rinca, Komodo National Park, Indonesia

Sue Daly / Soft coral (Sarcophyton sp) Lembeh Straits, Sulawesi, Indonesia

Robert Thompson / Yellow brain fungus {Tremella mesenterica} growing on Hawthorn branch, Inchy Bridge, County Cork, Republic of Ireland, January

Claudio Contreras / Symmetrical brain coral close-up (Pseudodiploria strigosa) Banco Chinchorro Biosphere Reserve, Caribbean Sea, Mexico, April

Claudio Contreras / Boulder brain coral (Colpophyllia natans) close-up, Banco Chinchorro Biosphere Reserve, Caribbean Sea, Mexico, May

Tim Laman / Split level of Brain coral growing around the underwater portions of Red mangrove roots {Rhizophora mangle} on offshore mangrove island, Tunicate Cove, Belize.

Kim Taylor / Yellow brain fungus (Tremella mesenterica) growing on dead crab apple branch, Surrey, England

Philippe Clement / Colourless variety of Yellow brain fungus (Tremella mesenterica), Belgium

Philippe Clement / Yellow brain fungus (Tremella mesenterica) in yellow and colourless form, Belgium

Philippe Clement / Yellow brain fungus (Tremella mesenterica) in yellow and colourless form, Belgium

Ross Hoddinott / Yellow brain fungus {Tremella mesenterica}, Lanhydrock woods, Cornwall, UK. November

Tim Laman / Soft coral with Brain corals. Andros Barrier Reef, Bahamas.

Kerstin Hinze / Yellow Brain fungus (Tremella mesenterica) Sardinia, Italy

Kerstin Hinze / Yellow Brain fungus (Tremella mesenterica) Sardinia, Italy

GEORGETTE DOUWMA / Yellowbar angelfish (Pomacanthus maculosus) on coral reef with brain coral, Egypt, Red Sea

Kerstin Hinze / Yellow Brain fungus (Tremella mesenterica) and lichen, Sardinia, Italy

Kerstin Hinze / Yellow Brain fungus (Tremella mesenterica) and lichen, Sardinia, Italy

Suzi Eszterhas / Californian sealion {Zalophus californianus} being tested with an EEG for the effects of domoic acid poisoning on the brain, Marine Mammal Center, California, USA

Doug Perrine / Brain coral {Pseudodiploria strigosa} releasing egg and sperm packets during mass spawning, Gulf of Mexico, Caribbean

GEORGETTE DOUWMA / Day / Common reef octopus (Octopus cyanea) hunting over coral rubble with tentacles wrapped around brain coral, Andaman Sea, Thailand.

Doug Wechsler / Close up of pattern on Brain coral, Virgin Islands

Martha Holmes / Rough star coral / brain coral (Isophyllastrea rigida) British Virgin Island, Caribbean

Martha Holmes / Close up of patterns in Brain coral (Colpophyllia breviserialis) British Virgin Island, Caribbean

Martha Holmes / Close up of patterns in Brain coral (Colpophyllia natans) Carriacou, Caribbean

Peter Scoones / Fairy Basslet (Gramma loreto) on coral reef, Bonaire, Netherlands Antilles, Caribbean photographed during making of BBC Planet Earth series 2005

Peter Scoones / French Angelfish (Pomacanthus paru) Bonaire, Netherlands Antilles, Caribbean photographed during making of BBC Planet Earth series 2005

Doug Perrine / Brain coral {Pseudodiploria strigosa} dieing from Black band disease, Bahamas

Doug Perrine / Brain coral broken off and rolled over by hurricane Gilbert, 1988, Gulf of Mexico

Doug Perrine / Grunts {Haemulon sp} + Squirrelfish shelter under Giant brain coral, Florida Keys, USA.

Doug Perrine / Brain coral {Pseudodiploria strigosa} mass spawning, Texas, Gulf of Mexico

Juergen Freund / Banded coral shrimp on brain coral, Caribbean Sea off Cuba

Philippe Clement / Yellow brain fungus on wood {Tremella mesenterica} Belgium

Philippe Clement / Yellow brain fungus on wood {Tremella mesenterica} Belgium

Norbert Wu / Boulder Brain Coral (Colpophyllia natans) common in south Florida, Bahamas and Caribbean, Saba, Dutch Antilles

Norbert Wu / Brain Coral (Diploria sp) colony partially taken over by sponge, which may eventually cover the entire coral, Indonesia

Norbert Wu / Spotjaw Blenny (Acanthemblemaria rivasi) in Brain Coral, large red eyes scare off predators, Caribbean

Norbert Wu / Brain Coral (Diploria sp) symbiotic algae within polyps produce food, Roatan, Honduras

Norbert Wu / Brain Coral (Diploria sp) dying, white area has been bleached and covered by sediment Healthy coral colony is greenish-brown and clearly shows grooves

Norbert Wu / Brain Coral (Diploria sp) dying, white area has been bleached and covered by sediment Healthy coral colony is greenish-brown and clearly shows grooves

Mark Moffett / Cordyceps fungus takes over brain of an ant, then kills it, Peru

Tony Phelps / Cauliflower / Brain fungus {Sparassis crispa} woodland,Dorset, UK

George McCarthy / Yellow brain fungus {Tremella mesenterica} UK

Juergen Freund / Orange icing sponge {Mycale laevis} on brain coral. Caribbean.

Jurgen Freund / Divers near brain coral,Caribbean.

Duncan Mcewan / Yellow brain fungus & lichen on Hazel twig, Inverness-shire, Scotland

Gary Bell/ Oceanwide / Double-star Coral (Diploastrea heliopora), Great Barrier Reef, Australia

Gary Bell/ Oceanwide / Coral (Platygyra sp), Christmas Island, Australia

Gary Bell/ Oceanwide / Coral (Platygyra sp), Christmas Island, Australia

Gary Bell/ Oceanwide / Brain Coral (Leptoria sp) polyps, Great Barrier Reef, Australia

Gary Bell/ Oceanwide / Coral (Platygyra sp) polyp, Great Barrier Reef, Australia

Gary Bell/ Oceanwide / Stony Coral (Acropora sp) surrounded by Brain Coral (Leptoria sp), Great Barrier Reef, Australia

Gary Bell/ Oceanwide / Blue-striped Blenny (Plagiotremus rhinorhynchos) in brain coral, Great Barrier Reef, Australia

Tim Fitzharris / Wrasse (Labridae) group above brain coral, Ningaloo Reef, Australia

Mark Moffett / Parasiitc Cordyceps fungus takes over brain of an ant, then kills it, Peru

Paul D Stewart / Illustrated portraits of Richard Owen (20, July 1804- 18 December 1892) and Thomas Henry Huxley (4 May 1825 - 29 June 1895). Linley Sambourne's illustration for the new 1885 Macmillan edition of Kings...

Paul D Stewart / Portrait of Richard Owen (20, July 1804- 18 December 1892); 1883 portrait in his home study for The Graphic magazine, in the year he retired from the BMNH. Owen was a comparative anatomist and palaeon...

Paul D Stewart / Illustration portrait of a Chimpanzee (Pan troglodytes). 1809 'Black Oran Otan' copper engraving from 'Zoological Lectures Delivered at the Royal Institution'. This is a reprint of Tyson's first figur...

Paul D Stewart / Fine lithographic engraving portrait of Samuel Wilberforce (1846) Lord Bishop of Oxford by George Richmond, engraved by Henry Robinson and published by J. Hogarth, London. Samuel Wilberforce, son of W...

Roberto Rinaldi / Christmas tree worms (Spirobranchus giganteus)sprouting from brain coral (Faviidae) on a reef, Belize. ^^^The worms open their corkscrew-like plumage to filter plankton and other microscopic nourishme...

Roberto Rinaldi / Symmetrical / common / smooth brain coral (Diploria strigosa), Honduras.

Roberto Rinaldi / Christmas tree worms (Spirobranchus giganteus) growing on brain coral, Belize.

Roberto Rinaldi / Fairy basslet (Gramma loreto) swimming over stony coral / brain coral, Belize.

Roberto Rinaldi / Diver swimming over a brain coral at Heron Island, Great Barrier Reef, Australia

Christian Ziegler / Brain Coral (Diploria labyrinthiformis) and seaweed, Bastimentos Marine National Park, Bocas del Toro, Panama

Christian Ziegler / Coral (Faviidae) with sea urchins and feather duster worms, Bastimentos Marine National Park, Bocas del Toro, Panama

Pete Oxford / Christmas Tree Worm (Spirobranchus giganteus) filter feeding while attached to Great Star Coral (Montastraea cavernosa), Bonaire, Netherlands Antilles, Caribbean

Pete Oxford / Feather Duster Worm (Sabellidae) filter feeding within Brain Coral (Diploria labyrinthiformis), Bonaire, Netherlands Antilles, Caribbean

Roberto Rinaldi / Brain coral inside an underwater crevasse with a scuba diver beyond, Flinders Reef, Australia Model released.

Roberto Rinaldi / Close-up of brain coral, British Virgin Islands (BVI)

Roberto Rinaldi / Brain coral (Diplora sp), Cayman Islands.

Roberto Rinaldi / Diver pointing to damage caused by hungry parrot fish (Scaridae) feeding on brain coral, Honduras.

Roberto Rinaldi / A goby fish (Gobiidae) making its way across the surface of Labyrinthine brain coral (Diploria labyrinthiformis), Belize

Roberto Rinaldi / A diver swimming over a massive brain coral (Faviidae), Great Barrier Reef, Australia Model released.