Steven Kazlowski / Polar bear (Ursus maritimus) young bear rolling around in the snow, on newly formed pack ice during autumn freeze up, Beaufort Sea, off Arctic coast, Alaska

Steven Kazlowski / Polar bear (Ursus maritimus) 3-year-olds play fighting on newly formed pack ice, Beaufort Sea, off the 1002 area of the Arctic National Wildlife Refuge, North Slope, Alaska

Steven Kazlowski,Steven Kazlowski / Polar bear (Ursus maritimus) curious adult head underwater, Beaufort Sea, off the 1002 area of the Arctic National Wildlife Refuge, North Slope, Alaska.

Steven Kazlowski,Steven Kazlowski / Polar bear (Ursus maritimus) 4-5 year-old on pack ice, low angle shot, off the 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, Beaufort Sea, autumn

Claudio Contreras,Claudio Contreras / Crocodile Flatheadfish (Cymbacephalus beauforti), Inanuran Island, Danajon Bank, Central Visayas, Philippines, April

Steven Kazlowski / Polar bear (Ursus maritimus) climbing onto an iceberg with Arctic terns {Sterna paradisaea} flying overhead, Beaufort Sea, Arctic Ocean, Alaska

Michele Westmorland / Beaufort's Crocodilefish (Cymbacephalus beauforti) camouflaged on coral reef, House Reef at the Jetty, Tufi, Oro Province, Papua New Guinea

Sylvain Cordier / Polar bear (Ursus maritimus), female with two cubs, on a barrier island outside Kaktovik, Alaska, USA.

Sylvain Cordier / Polar Bear (Ursus maritimus), two juveniles play fighting, Kaktovik, Alaska, USA.

Bert Willaert / Crocodile Flathead (Cymbacephalus beauforti), Kimbe Bay, West New Britain, Papua New Guinea

Steven Kazlowski / Polar bear (Ursus maritimus) head profile of young female, Beaufort Sea, off Arctic coast, Alaska

Steven Kazlowski / Autumn sunrise over the eastern Beaufort Sea, off Arctic coast, Alaska

Steven Kazlowski / Autumn sunrise over the eastern Beaufort Sea, off Arctic coast, Alaska

Steven Kazlowski / Autumn sunrise over the eastern Beaufort Sea, off Arctic coast, Alaska

Steven Kazlowski / Autumn sunrise over the eastern Beaufort Sea, off Arctic coast, Alaska

Steven Kazlowski / Polar bear (Ursus maritimus) sow profile, on newly formed pack ice during autumn freeze up, Beaufort Sea, off Arctic coast, Alaska

Steven Kazlowski / Sunrise over the eastern Beaufort Sea, off Arctic coast, Alaska

Constantinos Petrinos / Giant flathead (Cymbacephalus beauforti) close up of eyel. Lembeh Strait, North Sulawesi, Indonesia.

Constantinos Petrinos / Giant flathead (Cymbacephalus beauforti) lying on a Finger Leather Coral (Sinularia polydactyla) Lembeh Strait, North Sulawesi, Indonesia.

Constantinos Petrinos / Giant flathead (Cymbacephalus beauforti) lying on a Finger Leather Coral (Sinularia polydactyla) Lembeh Strait, North Sulawesi, Indonesia.

Constantinos Petrinos / Giant flathead (Cymbacephalus beauforti) lying on a Finger Leather Coral (Sinularia polydactyla) Lembeh Strait, North Sulawesi, Indonesia.

Linda Pitkin / Crocodilefish (Cymbacephalus beauforti), resting on coral Dampier Strait, Raja Ampat, West Papua, Indonesia.

Linda Pitkin / Crocodilefish (Cymbacephalus beauforti), resting on coral Dampier Strait, Raja Ampat, West Papua, Indonesia.

Alex Mustard / Crocodilefish (Cymbacephalus beauforti) close up detail of the retractable eye-lashes, Mabul Island, Sabah, Borneo, Malaysia Celebes Sea

Alex Mustard / Crocodile fish (Cymbacephalus beauforti) sets an ambush by hiding in a leather coral (Sarcophyton sp) on a coral reef, Blue Magic, Raja Ampat, West Papua, Indonesia, Pacific Ocean.

Gerrit Vyn / Polar bear (Ursus maritimus) female walking along sea ice, Barter Island National Wildlife Refuge. Beaufort Sea, Alaska, USA

Steven Kazlowski / Two sub-adult Polar bears (Ursus maritimus) playing in Beaufort Sea, off the 1002 coastal area, Arctic National Wildlife Refuge, North Slope, Alaska, USA, September. Vulnerable species.

Steven Kazlowski / Polar bear (Ursus maritimus) silhouetted at water's edge at sunset, Bernard Spit, off the 1002 Area, Arctic National Wildlife Refuge, North Slope, Alaska, USA, September. Vulnerable species.

Alex Mustard / Detail of retractable eye-lashes of Crocodilefish (Cymbacephalus beauforti) The crocodilefish is an ambush predator and this adaption helps it disguise itself while it lying in wait on the sea floor....

Georgette Douwma / Beaufort crocodile fish (Cymbacephalus beauforti) under coral overhang on sandy bottom. Egytp, Red Sea.

Steven Kazlowski / Polar bear (Ursus maritimus) curious young male on the newly frozen pack ice, Beaufort Sea, off the 1002 area of the Arctic National Wildlife Refuge, North Slope, Alaska

Steven Kazlowski / Polar bear (Ursus maritimus) young male resting on the newly frozen pack ice, Beaufort Sea, off the 1002 area of the Arctic National Wildlife Refuge, North Slope, Alaska

Steven Kazlowski / Polar bear (Ursus maritimus) young 3-year-old rests on newly formed pack ice dur autumn freeze up, Beaufort Sea, off the 1002 area of the Arctic National Wildlife Refuge, North Slope, Alaska

Steven Kazlowski / Polar bear (Ursus maritimus) juvenile walking over newly formed pack ice, Beaufort Sea, off the 1002 area of the Arctic National Wildlife Refuge, North Slope, Alaska

Steven Kazlowski / Polar bear (Ursus maritimus) juvenile walking over newly formed pack ice, Beaufort Sea, off the 1002 area of the Arctic National Wildlife Refuge, North Slope, Alaska

Steven Kazlowski / Polar bear (Ursus maritimus) adult swims through slushy newly forming pack ice during autumn freeze up, Beaufort Sea, off the 1002 area of the Arctic National Wildlife Refuge, North Slope, Alaska

Steven Kazlowski / Polar bear (Ursus maritimus) female with wet matted fur walks over newly forming pack ice, Beaufort Sea, offshore from the 1002 area of the Arctic National Wildlife Refuge, Alaska.

Steven Kazlowski / Ivory gull (Pagophilia eburnea) adult in flight, Beaufort Sea, off the 1002 area of the Arctic National Wildlife Refuge, North Slope, Alaska

Steven Kazlowski / Polar bear (Ursus maritimus) walks along a barrier island in early autumn, Bernard Spit, off the 1002 area of the Arctic National Wildlife Refuge, North Slope, Alaska, Beaufort Sea

Steven Kazlowski / Polar bear (Ursus maritimus) curious adult swims off a barrier island in autumn, Beaufort Sea, off the 1002 area of the Arctic National Wildlife Refuge, North Slope, Alaska

Steven Kazlowski / Photographers shoot a curious Polar bear cub (Ursus maritimus) from a boat off shore from Bernard Spit, Alaska, Beaufort Sea, USA, October 2010

Steven Kazlowski / Polar bear (Ursus maritimus) sow traveling across newly formed pack ice off the 1002 coastal area of the Arctic National Wildlife Refuge, Alaska, Beaufort Sea, USA, October

Steven Kazlowski / Polar bear (Ursus maritimus) female standing along Bernard Spit and off the 1002 coastal area of the Arctic National Wildlife Refuge, Alaska, Beaufort Sea, USA, October

Hiroya Minakuchi / Beaufort's Crocodilefish (Cymbacephalus beauforti) eyes, Borneo, Malaysia

Steven Kazlowski / Sun rising over the Beaufort Sea, taken from the 1002 coastal plain of the Arctic National Wildlife Refuge, Alaska

Steven Kazlowski / Colourful sunrise over the Beaufort sea, Arctic Alaska. October 2009

Steven Kazlowski / Old Polar bear (Ursus maritimus) boar feeding on a piece of Bowhead whale (Balaena mysticetus) skin and blubber / muktuk, 1002 area of the Arctic National Wildlife Refuge, Arctic coast, Beaufort Sea,...

Steven Kazlowski / Old Polar bear (Ursus maritimus) boar travels along the Arctic coast in search of food, 1002 area of the Arctic National Wildlife Refuge, Beaufort Sea, Alaska, October 2008

Steven Kazlowski / Old Polar bear (Ursus maritimus) boar walking along the Arctic coast in search of food, 1002 area of the Arctic National Wildlife Refuge, Beaufort Sea, Alaska, October 2008

Steven Kazlowski / First sunset occuring in late summer, looking out to the west of the Beaufort Sea, Arctic National Wildlife Refuge, Alaska

Steven Kazlowski / Polar bear (Ursus maritimus) adult, walking on newly formed pack ice over the Beaufort Sea, off the Arctic National Wildlife Refuge, Alaska

Steven Kazlowski / Polar bear (Ursus maritimus) cubs playing on newly formed pack ice over the Beaufort Sea, Arctic Ocean, Alaska

Michele Westmorland / Beaufort's Crocodilefish (Cymbacephalus beauforti) camouflaged on coral reef, House Reef at the Jetty, Tufi, Oro Province, Papua New Guinea

Michele Westmorland / Close up of eyes of Beaufort's Crocodilefish (Cymbacephalus beauforti) House Reef at the Jetty, Tufi, Oro Province, Papua New Guinea

Birgitte Wilms / Beaufort's Crocodilefish (Cymbacephalus beauforti) eye detail, 40 feet deep, Solomon Islands

Chris Newbert / Beaufort's Crocodilefish (Cymbacephalus beauforti) 40 feet deep, Solomon Islands

Chris Newbert / Beaufort's Crocodilefish (Cymbacephalus beauforti) detail of scales

GEORGETTE DOUWMA / Giant flathead / crocodilefish {Cymbacephalus beauforti}, Sulawesi, Indonesia

Birgitte Wilms / Beaufort's Crocodilefish (Cymbacephalus beauforti) detail of scales, 50 feet deep, Solomon Islands

Chris Newbert / Flathead (Platycephalus sp) close-up of eyes, Red Sea, Egypt

Fred Bavendam / Beaufort's Crocodilefish (Cymbacephalus beauforti) camouflaged on ocean floor waiting for prey, Milne Bay, Papua New Guinea

Fred Bavendam / Beaufort's Crocodilefish (Cymbacephalus beauforti) camouflaged on coral, Lembeh Strait, Indonesia

Pete Oxford / Beaufort's Crocodilefish (Cymbacephalus beauforti), Banda Sea, Indonesia

Yva Momatiuk & John Eastcott / Prudhoe Bay oil fields on Beaufort Sea in evening, setting sun, North Slope, Alaska

Magnus Lundgren / Camouflaged eye detail of a huge Crocodilefish (Cymbacephalus beauforti), Triton Bay, West Papua, Indonesia, Pacific Ocean.

Shane Gross / Crocodile fish (Cymbacephalus beauforti), ambush predator camouflaged and partially buried in sand on sea floor. Marsa Alam, Egypt.

Shane Gross / Red lionfish (Pterois volitans), two on sea floor beside Crocodile fish (Cymbacephalus beauforti), an ambush predator camouflaged and hidden. Marsa Alam, Egypt.

David Fleetham / Crocodile fish (Cymbacephalus beauforti) on a reef off the island of Yap, Micronesia.

Shane Gross / Crocodile fish (Cymbacephalus beauforti) juvenile, camouflaged. Palau.