Solvin Zankl / Deep sea squid (Histioteuthis corona) specimen, from deep sea Atlantic Ocean.

Solvin Zankl / By-the-wind sailor (Velella velella) colony. Sargasso Sea, Bermuda.

Solvin Zankl / Portuguese Man-of-War (Physalia physalis) close up of tentacles, Sargasso Sea, Bermuda

Gabriel Rojo / Close up of Passionflower (Passiflora caerulea) La Pampa, Argentina.

Alex Hyde / Crane fly / Daddy long legs (Tipula paludosa) female covered in morning dew. Peak DIstrict National Park, Derbyshire, UK. September. Winner of the Hidden Britain Category of the BWPA Awards 2015.

Georgette Douwma / Erect rope sponge (Amphimedon compressa) Bonaire, Netherlands Antilles, Caribbean, Atlantic Ocean.

Georgette Douwma / Erect rope sponge (Amphimedon compressa) Bonaire, Netherlands Antilles, Caribbean, Atlantic Ocean.

Georgette Douwma / Stove-pipe sponge (Aplysina archeri) and Orange elephant ear sponge (Agelas clathrodes) Bonaire, Netherlands Antilles, Caribbean, Atlantic Ocean.

Georgette Douwma / Cock's comb oyster (Lopha cristagalli) covered with encrusting sponge on artificial reef. Mabul, Malaysia.

Ole Jorgen Liodden / Boy on skis going up slope, framed by snow laden tree, Norway, February 2014.

Ole Jorgen Liodden / Brown pelican (Pelecanus occidentalis urinator) close up of throat pouch skin, with beak open, Galapagos.

Ole Jorgen Liodden / Marine iguana (Amblyrhynchus cristatus) silhouetted at sunrise, Galapagos Islands. Endemic.