Alex Mustard,Alex Mustard / A nudibranch (Flabellina nobilis) feeding on a solitary hydroid (Tubularia indivisa), note how the hydroid is bent back as it is pulled into the nudibranch's mouth. Gulen, Bergen, Norway. North East A...

Alex Mustard / Plumose anemones (Metridium senile) and common starfish (Asterias rubens) beneath the sun in a Norwegian Fjord. Gulen, Bergen, Norway. North East Atlantic Ocean.

Graham Eaton / A small vilage and waterfall in Birch woodland on the slopes of Naerfjord, near Bergen, Norway, April

Graham Eaton / A small waterfall and Birch woodland on the slopes of Naerfjord, near Bergen, Norway, April

Alex Mustard / High magnification photo of the spines of a Common starfish (Asterias rubens). Gulen, Bergen, Norway. North Sea, North East Atlantic Ocean.

Alex Mustard / Diver examines a wall covered in large Sea squirts (Ciona intestinalis). Gulen, Bergen, Norway. North Sea, North East Atlantic Ocean.

Alex Mustard / Colourful yellow sun star (Solaster endeca) climbing on a kelp frond. Gulen, Bergen, Norway. North Sea, North East Atlantic Ocean.

Alex Mustard / Portrait of a male Cuckoo wrasse (Labrus mixtus) Gulen, Bergen, Norway. North Sea, North East Atlantic Ocean.

Pal Hermansen / Sunrise light over Byfjorden World Heritage Site, Bergen, Norway, August 2012.

Ole Jorgen Liodden / Purple sandpiper (Calidris maritima) preening, Bergen, Norway, October.

Ole Jorgen Liodden / American mink (Mustela vision) walking, Bergen, Norway. October. Invasive species.

Ole Jorgen Liodden / American mink (Mustela vision) smelling ground, Bergen, Norway. October. Invasive species.

Jiri Slama / Red Crossbill (Loxia curvirostra) male feeding on pine cone seeds, Bergen, Norway

Jiri Slama / Red Crossbill (Loxia curvirostra) male, Bergen, Hordaland, Norway

Alex Mustard / Nudibranch (Flabellina nobilis) feeding on a solitary hydroid (Tubularia indivisa) and laying eggs. Gulen, Bergen, Norway. North East Atlantic Ocean.

Alex Mustard / Sea stars (Marthasterias glacialis) mass together to exploit a food source. Gulen, Bergen, Norway. North East Atlantic Ocean.

Alex Mustard / Plumose anemone (Metridium senile) photographed against the sun. Gulen, Bergen, Norway. North East Atlantic Ocean.

Alex Mustard / A male Lumpsucker (Cyclopterus lumpus) guarding his yellow egg mass. Gulen, Bergen, Norway. North East Atlantic Ocean.

Alex Mustard / A nudibranch (Flabellina lineata) feeding on a solitary hydroid (Tubularia indivisa). Gulen, Bergen, Norway. North East Atlantic Ocean.

Philip Stephen / Oil production platform "Oseberg C", 90 miles west of Bergen in the North Sea. May 2009.

Peter Lewis / Borgund Stave Church, built in 1180 by the Vikings, near Bergen, Norway

Peter Lewis / Bryggen in Bergen, with wooden buildings facing the quay. UNESCO World Heritage Site, Norway

Peter Lewis / Bryggen in Bergen, with wooden buildings facing the quay. UNESCO World Heritage Site, Norway

Peter Lewis / Bryggen in Bergen, with wooden buildings facing the quay. UNESCO World Heritage Site, Norway

Peter Lewis / Bergens-Expressen tourist train, Bergen, Norway

Peter Lewis / Bryggen in Bergen, with wooden buildings facing the quay. UNESCO World Heritage Site, Norway

Peter Lewis / Bryggen in Bergen, with wooden buildings facing the quay. UNESCO World Heritage Site, Norway

Peter Lewis / Borgund Stave Church, built in 1180 by the Vikings, near Bergen, Norway

Peter Lewis / The City of Bergen accross the water, Norway

Peter Lewis / Fish and crabs for sale in fish market, Bergen, Norway

Gavin Hellier / Looking down on Bergen city at night from Mt Floyen (320m) South West Fjords, Norway

Asgeir Helgestad / Bergen-Oslo railway crossing snow mountain plateau. Hardangervidda (1222metres) Norway

Philip Stephen / Drilling rig "Deep Sea Bergen". December 2006

Flip de Nooyer / Sand dunes with vegetation, Boswachterij Bergen, Netherlands

Pal Hermansen / Man walking on Briksdalsbreen glacier, part of Jostedalsbreen glacier, Vestland, Norway. Photo: Knud Knudsen 1889-93. Collection: NBB, Bergen, Norway See 1698526 for image of same glacier taken in...

Pal Hermansen / Village in Olden valley, against Melkevollbreen glacier, part of Jostedalsbreen glacier, Vestland, Norway. Photo: Knud Knudsen 1880-1890. Collection: UBB, Bergen See 1698534 for image of same vall...

Solvin Zankl / Echinopluteus larvae. Pluteus larvae occur during the life cycles (ontogenesis) of sea urchins and brittle stars that belong to the echinoderms. Raunefjorden near Bergen, Norway.

Solvin Zankl / Portrait of Horseshoe worm (Phoronis muelleri) larva swimming, Raunefjorden near Bergen, Norway.