Alex Mustard / A shoal of cod (Gadus morhua) in kelp forest. These cod were gathered off the north coast of Iceland to spawn, photographed during a two week break in fishing season, to allow the fish to spawn. Thors...

Alex Mustard / Pink skeleton shrimp (Caprella sp.) portrait in red algae. Thistilfjord, Thorshofn, north east Iceland. North Atlantic Ocean.

Alex Mustard / Diver swimming with an aggregation of Cod (Gadus morhua) over a kelp forest. These cod were gathered in early spring off the north coast of Iceland to spawn. Thorshofn, Iceland. North Atlantic Ocean....

Alex Mustard / Starfish (Asterias rubens) below kelp in the typical scenery in Thorshofn Bay, north Iceland. North Atlantic Ocean.

Alex Mustard / A large Wolf fish (Anarhichas lupus) crunching shells in its mouth. Thistilfjord near Thorshofn, north east Iceland. North Atlantic Ocean.

Alex Mustard / A diver swims with an aggregation of Atlantic cod (Gadus morhua) over a kelp forest. These cod were gathered in early spring off the north coast of Iceland to spawn. Thorshofn, Iceland. North Atlantic...

Alex Mustard / A diver swims with an aggregation of atlantic cod (Gadus morhua) over a kelp forest, fish approximately 1m in length, cod were gathered in early spring off the north coast of Iceland to spawn. Thorsho...

Alex Mustard / A diver swims with an aggregation of Atlantic cod (Gadus morhua) over a kelp forest, fish approximately 1m in length. These cod were gathered in early spring off the north coast of Iceland to spawn....

Alex Mustard / A diver approaches a large Atlantic cod (Gadus morhua) in a kelp forest. Photographed during a two week break in fishing (to allow the fish to spawn), although this fish shows sign of a previous enco...