Morley Read / Tropical flat snake (Siphlophis compressus) climbing on a flowering bromeliad (Aechmea) in the Amazon rainforest, Orellana Province, Ecuador. (non-ex)

Norbert Wu / Azure Vase Sponge (Callyspongia plicifera) fluoresces blue light, Saba Island, Netherlands Antilles

Pascal Kobeh / Field of Hard corals (Echinopora pacificus) Sulu Sea, Philippines

Alex Mustard / Cabbage coral / lettuce coral (Echinopora lamellosa) growing in shallow water. This coral grows at 5mm per year, so have been growing in this spot for more than 1000 years. Manado Bay, Manado, North S...

Joao Burini / Bromeliad (Aechmea ornata) Pico Parana State Park Paranáa, Atlantic Forest South-East Reserves UNESCO World Heritage Site, Brazil.

Linda Pitkin / Grouper sheltering in Azure vase sponge (Callyspongia plicifera) Bonaire, Leeward Antilles, Caribbean.

Linda Pitkin / Azure vase sponge (Callyspongia plicifera) on coral reef, with small fish, Brown Chromis (Chromis multilineata) Bonaire, Leeward Antilles, Caribbean.

Ernie Janes / Table with tea set and vase of Red valerian (Centranthus ruber) and Climbing roses (Rosa sp) in the background. England, UK.

Pete Oxford / Azure vase sponge (Callyspongia plicifera) Hol Chan Marine Reserve, Belize.

Pete Oxford / Pink vase sponge (Niphates digitalis) and Porous sea rods (Pseudoplexaura sp.) Hol Chan Marine Reserve, Belize.

Adrian Davies / Urn plant (Aechmea fasciata) flowers in rainforest, Sabah, Borneo.

Franco Banfi / Azure vase sponge (Callyspongia plicifera) and Common sea fan (Gorgonia ventalina) Santa Lucia, Camaguey, Cuba, Caribbean Sea, Atlantic Ocean