David Shale / Deepsea fish (Opisthoproctus sp) producing ventral bioluminescence, deep sea Atlantic ocean

David Shale / Atlantic fangjaw (Gonostoma atlanticum), deep sea Atlantic ocean,

David Shale / Deepsea fish {Paraliparis sp.), deep sea Atlantic ocean

David Shale / Bathypelagic Lizard fish (Bathysaurus ferox), deep sea Atlantic ocean

David Shale / Smallspine spookfish (Harriotta haeckeli), a Rabbitfish / Chimaera, deep sea Atlantic ocean,

David Shale / Deepsea fish {Paraliparis sp.), deep sea Atlantic ocean

David Shale / Fangjaw (Gonostoma bathyphyllum), deep sea Atlantic ocean,

David Shale / Bathypelagic Lizard fish (Bathysaurus ferox), deep sea Atlantic ocean

David Shale / Smallspine spookfish (Harriotta haeckeli), a Rabbitfish / Chimaera, deep sea Atlantic ocean,

David Shale / Deepsea fish {Paraliparis sp.), deep sea Atlantic ocean

David Shale / Fangjaw (Gonostoma bathyphyllum), deep sea Atlantic ocean,

David Shale / Deepsea Snipe eel (Nemichthys sp), Feeds on decapods., deep sea Atlantic ocean

David Shale / Bathypelagic Lizard fish (Bathysaurus ferox), deep sea Atlantic ocean

David Shale / Smallspine spookfish (Harriotta haeckeli), a Rabbitfish / Chimaera, deep sea Atlantic ocean,

David Shale / Deepsea Snipe eel (Nemichthys sp), deep sea Atlantic ocean

David Shale / Deepsea fish {Stomias boa} with lure, deep sea Atlantic ocean

David Shale / Deepsea fish {Stomias boa} with lure, deep sea Atlantic ocean

David Shale / Redmouth whalefish, (Rondeletia loricata), deep sea Atlantic ocean

David Shale / Redmouth whalefish, (Rondeletia loricata), deep sea Atlantic ocean

Solvin Zankl / Giant frogfish with mouth open {Antennarius commerson} Lembeh, Sulawesi

Solvin Zankl / Giant frogfish portrait {Antennarius commerson} Lembeh, Sulawesi

Solvin Zankl / Striped / Hairy frogfish {Antennarius striatus} Lembeh, Sulawesi

Solvin Zankl / Striped / hairy frogfish with lure {Antennarius striatus} Lembeh, Sulawesi

Solvin Zankl / Striped / hairy frogfish with lure {Antennarius striatus} Lembeh, Sulawesi

Solvin Zankl / Weedy scorpionfish {Rhinopias frondosa} Lembeh, Sulawesi

Solvin Zankl / Reef stonefish {Synanceja verrucosa} camouflaged on seabed, Sulawesi

Solvin Zankl / Whitemargin stargazer on seabed {Uranoscopus sulphureus} Lembeh, Sulawesi

Solvin Zankl / Whitemargin stargazer hiding on seabed {Uranoscopus sulphureus} Lembeh, Sulawesi

Jose B. Ruiz / Scorpionfish {Scorpaena scrofa} Mediterranean

Jose B. Ruiz / Scorpionfish {Scorpaena scrofa} Mediterranean

Birgitte Wilms / Scorpionfish (Scorpaena sp) face showing protrusions which camouflage the animal, Galapagos Islands, Ecuador

Norbert Wu / Merlet's Scorpionfish (Rhinopias aphanes) camouflage mimics Sea Fans and Crinoids of its coral reef habitat, Papua New Guinea

Norbert Wu / Two-stick Stingfish (Inimicus filamentosus) extremely venomous, usually hides in sand, Papua New Guinea

Norbert Wu / Reef Stonefish (Synanceia verrucosa) camouflaged like a rock as it lays in sand, most venomous fish in the world, Solomon Islands

Norbert Wu / Netdevil (Borophryne apogon) deep sea species showing fishing pole with bioluminescent lure to attract deep sea prey, dwarf male is parasitic on larger females, Gulf of California, Mexico

Norbert Wu / Humpback Anglerfish (Melanocetus johnsoni) deep sea species showing fishing pole with bioluminescent lure used to attract prey

Norbert Wu / Wolf Eel (Anarrhichthys ocellatus) feeds on Crabs and Purple Sea Urchins (Strongylocentrotus purpuratus) six feet long, Monterey, California

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

Chris Newbert / Red-finned Triplefin (Helcogramma gymnauchen) portrait, 30 feet deep, Solomon Islands

Chris Newbert / Stargazer (Uranoscopus sp) hiding in sand, flaps of tissue that appear to be teeth keep sand out of mouth, 30 feet deep, Red Sea, Egypt

Chris Newbert / Two-stick Stingfish (Inimicus filamentosus) pair beginning courtship, 20 feet deep, Solomon Islands

Chris Newbert / Warty Frogfish (Antennarius maculatus) with fishing lure extended, 10 feet deep, Papua New Guinea

Fred Bavendam / Wolf Eel (Anarrhichthys ocellatus) close up, head shot, Quadra Island, British Columbia, Canada

Fred Bavendam / Tasmanian Blenny (Parablennius tasmanianus) peering out from its burrow, Edithburgh, Australia

Flip Nicklin / Moray Eel (Gymnothorax sp) pair, North America

Norbert Wu / Fangtooth (Anoplogaster cornuta) has bony, hard body, unlike most deep sea fish, Eastern Pacific

Norbert Wu / Fangtooth (Anoplogaster cornuta) adult portrait underwater showing open mouth and sharp teeth, Eastern Pacific

Norbert Wu / Wolf Eel (Anarrhichthys ocellatus) six feet long, feeds on crabs and urchin, Monterey, California

Fred Bavendam / Cryptic Frogfish (Histiophryne cryptacanthus) portrait, Edithburgh, South Australia

Fred Bavendam / Red Irish Lord (Hemilepidotus hemilepidotus) portrait, underwater, Hurst Island, British Columbia, Canada

Fred Bavendam / Sea Raven (Hemitripterus americanus) portrait underwater, York, Maine

Fred Bavendam / Scorpionfish (Scorpaenopsis sp) camouflaged among corals, Manado, North Sulawesi, Indonesia

Fred Bavendam / Atlantic Wolffish (Anarhichas lupus) close-up portrait, feeds on mussels and other shelled mollusks, York, Maine

Solvin Zankl / Barbfish portrait {Scorpaena brasiliensis} Virgin Is, Caribbean

Jeff Rotman / Close up of Wobbegong shark {Orectolobus ornatus} West Australia

Jeff Rotman / Wobbegong shark {Orectolobus ornatus} West Australia

GEORGETTE DOUWMA / Warty frogfish / Clown anglerfish {Antennarius maculatus} Moluccas, Indonesia. Indo Pacific

GEORGETTE DOUWMA / Warty frogfish / Clown anglerfish {Antennarius maculatus} Mabul, Malaysia

Gary Bell/ Oceanwide / Great Barracuda (Sphyraena barracuda), Great Barrier Reef, Australia

Gary Bell/ Oceanwide / Stargazer (Kathetostoma laeve) buried in sand, Port Phillip Bay, Mornington Peninsula, Victoria, Australia

Gary Bell/ Oceanwide / Stargazer (Kathetostoma laeve) buried in sand, Port Phillip Bay, Mornington Peninsula, Victoria, Australia

Gary Bell/ Oceanwide / Prickly Frogfish (Echinophryne crassispina), Port Phillip Bay, Mornington Peninsula, Victoria, Australia

Gary Bell/ Oceanwide / Tasselled Frogfish (Rhycherus filamentosus) showing lure, Port Phillip Bay, Mornington Peninsula, Victoria, Australia

Gary Bell/ Oceanwide / Queensland Grouper (Epinephelus lanceolatus), Great Barrier Reef, Australia

Birgitte Wilms / Bearded Ghoul (Inimicus didactylus), Papua New Guinea

Colin Monteath / Antarctic fish on ice, their blood contains glyco-protein that acts as anti-freeze, Port Lockroy, Antarctica

DOC WHITE / Football fish {Himantolophus groenlandicus} Deepsea fish Japan

Jeff Rotman / Flounder portrait showing eye on one side {Platichthys flesus} New England USA

Peter Scoones / Stonefish {Synanceja verrucosa} Red Sea Egypt Middle East

Florian Graner / John Dory portrait {Zeus faber} Corsica

Solvin Zankl / Bigscale deep sea smelt (Melanolagus bericoides) portrait, showing small mouth and specially adapted eyes with receptors consisting solely of light-sensitive rods and robust visual pigments, enable it...

Solvin Zankl / Bigscale deep sea smelt (Melanolagus bericoides) portrait, showing small mouth and specially adapted eyes with receptors consisting solely of light-sensitive rods and robust visual pigments, enable it...

Henley Spiers / Spotted scorpionfish (Scorpaena plumieri) resting on seabed surrounded by seagrass, Saint Lucia, Caribbean Sea.

Pascal Kobeh / Close up of an Atlantic goliath grouper or Giant seabass (Epinephelus itajara) with a diver in the background. These fish are friendly and come into contact with divers, The Gardens of the Queen, Cuba...

Pascal Kobeh / Atlantic goliath grouper or Giant seabass (Epinephelus itajara) with a Caribbean reef shark - Caribbean reef shark (Carcharhinus perezii) in the background, The Gardens of the Queen, Cuba, Caribbean S...

Pascal Kobeh / Close up of an Atlantic goliath grouper or Giant seabass (Epinephelus itajara) with a diver in the background. These fish are friendly and come into contact with divers, The Gardens of the Queen, Cuba...

Linda Pitkin / Whitemargin stargazer (Uranoscopus sulphureus), at night Lembeh Strait, North Sulawesi, Indonesia.