David Shale / Hydromedusa/ Trachymedusa (Crossota sp) from approx 2700m, mid Atlantic ridge, June 2010

David Shale / Female Anglerfish fanfin seadevil (Caulophryne jordani) - Deep sea species from Atlantic Ocean, found at 700-3000m.

David Shale / Fang Tooth {Anoplogaster cornuta} close-up of head showing teeth, from the Mid-Atlantic Ridge, 2600m

David Shale / Deep sea Anglerfish {Himantolophus sp} female with lure projecting from head to attract prey, Atlantic ocean. Anglerfish have small poorly developed eyes but detect movement and prey through a well de...

David Shale / Deep sea Anglerfish {Melanocoetus sp} female with lure projecting from head to attract prey. Atlantic ocean

David Shale / Deep sea Anglerfish female with lure {Himantolophus sp} Atlantic ocean

David Shale / Siphonophore (Nanomia sp) close up of nectophores, and palpons. Gulf of Maine, Atlanic Ocean. Epipelagic species found up to 300m depth.

Solvin Zankl / Flatfish (Bothidae sp) larva, Atlantic Ocean off Cape Verde. Captive.

Solvin Zankl / Common fangtooth (Anoplogaster cornuta) deep sea species from Atlantic Ocean close to Cape Verde. Captive.

Solvin Zankl / Common fangtooth (Anoplogaster cornuta) portrait, deep sea species from Atlantic Ocean off Cape Verde. Captive.

Jordi Chias / Angular roughshark (Oxynotus centrina) a deepsea species living at 80-300m depth, caught by fishermen and released, Costa Brava, Catalunya, Spain, Mediterranean Sea

Doug Perrine / Pygmy shark (Euprotomicrus bispinatus) portrait, captive. Kona, Hawaii. Central Pacific Ocean.

Doug Perrine / Pygmy shark (Euprotomicrus bispinatus) portrait, captive. Kona, Hawaii. Central Pacific Ocean. Digitally manipulated image.

Franco Banfi / Humboldt squid (Dosidicus gigas) attracted to 'squid jig' bait which glows at night off Loreto, Sea of Cortez, Baja California, Mexico, East Pacific Ocean.

Franco Banfi / Humboldt squid (Dosidicus gigas) at night off Loreto, Sea of Cortez, Baja California, Mexico, East Pacific Ocean.

Franco Banfi / Scuba diver and Humboldt squid (Dosidicus gigas) at night off Loreto, Sea of Cortez, Baja California, Mexico, East Pacific Ocean. August 2007.

Franco Banfi / Humboldt squid (Dosidicus gigas) cannibalising another squid of the same species at night off Loreto, Sea of Cortez, Baja California, Mexico, East Pacific Ocean.

Franco Banfi / Humboldt squid (Dosidicus gigas) at night off Loreto, Sea of Cortez, Baja California, Mexico, East Pacific Ocean.

Franco Banfi / Mexican fisherman boat at dusk, fishing Humboldt squid (Dosidicus gigas) , at night off Santa Rosalia, Sea of Cortez, Baja California, Mexico, East Pacific Ocean.

Jordi Chias / Atolla jellyfish (Atolla wyvillei) with Gentoo penguin (Pygoscelis papua) in the background near the surface. Antarctic Peninsula. Finalist in the Underwater category of the Wildlife Photographer of t...

Solvin Zankl / Deepsea Basket star (Gorgonocephalus lamarckii) specimen, from the North Atlantic near Iceland.

Solvin Zankl / Deepsea Viperfish (Chauliodus sloani) specimen from the North Atlantic near the North West of Spain, at a depth of 560-580m.

Solvin Zankl / Deepsea Octopus (Bathypolypus bairdii) specimen from the North Atlantic, near the Faroe Islands at a depth of 805m

Solvin Zankl / Illuminated netdevil (Linophryne arboritera), female specimen, from deepsea Atlantic Ocean near Cape Verde at a depth of 1900m.

Solvin Zankl / Deepsea Isopod (Glyptonotus antarcticus) from Antarctic Ocean at a depth of 231m.

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

Solvin Zankl / Ribbon sawtail fish (Idiacanthus fasciola) from Atlantic Ocean, at a depth of 800-1000m.

Solvin Zankl / Frilled shark (Chlamydoselachus anguineus) specimen with mouth open, from Atlantic Ocean, at a depth of 729m.

Aflo / Deep sea squid (Chiroteuthis imperator) dead specimen floating, Osezaki, Shizuoka, Izu, Japan.

David Shale / Pram bug (Phronima) swimming, Mid-Atlantic Ridge. Deep sea species.

Solvin Zankl,Solvin Zankl / Giant deep-sea isopod (Bathynomus giganteus) Picture was taken in cooperation with the Zoological Museum University of Hamburg

Visuals Unlimited / Bioluminescent deep-sea Ophiuroid Brittle Star (Ophiochiton ternispinus)

Visuals Unlimited / Deep-Sea Jellyfish (Crossota)

Visuals Unlimited / Deep-sea Hermit Crab outside a shell (Pagurus curacaoensis)

Solvin Zankl / GEOMAR / Polar shrimp (Lebbeus polaris) on live Lophelia (Lophelia pertusa) from Trondheimfjord, North Atlantic Ocean, Norway. Controlled conditions. Photo taken in cooperation with GEOMAR coldwater coral res...

Solvin Zankl / Wing-armed squid (Stenoteuthis pteropus) - deep sea specimen from South Atlantic

Solvin Zankl / Dragonfish (Melanostomias melanops) - deep sea specimen from 2000m depth, nr Cape Verde Islands, North Atlantic

Solvin Zankl / Dragonfish (Melanostomias melanops) - deep sea specimen from 2000m depth, nr Cape Verde Islands, North Atlantic

Solvin Zankl / Deepsea Blackdevil fish (Melanocetus murrayi) female anglerfish specimen.

Solvin Zankl / Deepsea planktonic stage of crab development, Trondheimsfjord, North Atlantic Ocean.

Solvin Zankl / Lanternfish (Lepidophanes guentheri) - deepsea species showing bioluminescence.

David Shale / Male and Female glass shrimps on Glass sponge (Hexactinellida) from coral seamount, SW Indian Ridge, Indian Ocean, December 2011

David Shale / Close up of deepsea Basket star (Gorgonocephalus sp) from coral seamount, SW Indian Ridge, Indian Ocean, December 2011

David Shale / Solenosmilia sp and eunicid polychaete and bamboo coral. Collected from coral sea mount near Dragon vent field on SW Indian Ridge, Indian Ocean.

David Shale / Pencil urchin (Cidaroid). Collected from coral sea mount near Dragon vent field on SW Indian Ridge, Indian Ocean.

David Shale / Pencil urchin (Cidaroid). Collected from coral sea mount near Dragon vent field on SW Indian Ridge, Indian Ocean.

David Shale / Black coral (Antipatharia) with tendrils extruded to catch prey. Collected from coral sea mount near Dragon vent field on SW Indian Ridge, Indian Ocean.

David Shale / Deepsea Squat lobster (Galatheidae) from coral seamount, Indian Ocean, December 2011