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

Norbert Wu / Viperfish (Chauliodus sp) attacking Mysids, luring prey with photophores, deep sea

Norbert Wu / Viperfish (Chauliodus sloani) light organs in mouth and all along body, southeastern Pacific, deep sea

Norbert Wu / Viperfish (Chauliodus sp) chasing Hatchetfish (Sternoptyx sp) deep sea

Norbert Wu / Black Sea Dragon (Idiacanthus antrostomus) fishing lure in front of mountain, attracts prey, deep sea

Solvin Zankl / Scaless black dragonfish (Melanostomias biseriatus) deep sea fish from Atlantic Ocean close to Cape Verde. Captive.

Solvin Zankl / Deep sea viperfish (Chauliodus sloani) portrait, from Atlantic Ocean close to Cape Verde. Captive.

Solvin Zankl / Scaleless dragonfish (Bathophilus nigerrimus), deep sea fish from Atlantic Ocean close to Cape Verde. Captive.

Solvin Zankl / Scaleless dragonfish (Bathophilus nigerrimus), deep sea fish, Atlantic Ocean close to Cape Verde Captive.

Solvin Zankl / Viperfish (Chauliodus sloani) specimen from the North Atlantic deep sea.

Norbert Wu / Viperfish (Chauliodus sp) attacking Lanternfish which has light organs on tail to confuse predators, deep sea

Norbert Wu / Black Sea Dragon (Idiacanthus antrostomus) cleared and stained to show bone in red and cartilage in blue, deep sea

Norbert Wu / Black Sea Dragon (Idiacanthus antrostomus) fishing lure in front of mouth attracts prey, deep sea

Solvin Zankl / Barbeled dragonfish (Astronesthes caulophorus) portrait, showing bioluminescent barbel under its lower jaw and a luminous organ beneath the eye. A series of light organs runs along its lower body, emi...

Solvin Zankl / Smalltooth dragonfish (Pachystomias microdon) portrait, showing barbel and bioluminescence. One of the three deep-sea fish capable of producing red light bioluminescence. Pachystomias can produce and...

Solvin Zankl / Barbeled dragonfish (Melanostomias tentaculatus) head portrait, showing barbel and bioluminescence. Inhabiting depths of 30-950m. Observed during RV Sonne, Cruise SO285, in the Atlantic, Benguela upwe...

Solvin Zankl / Barbeled dragonfish (Melanostomias tentaculatus) portrait, showing barbel and bioluminescence, Inhabiting depths of 30-950m. Observed during RV Sonne, Cruise SO285, in the Atlantic, Benguela upwelling...

Solvin Zankl / Threadfin dragonfish (Echiostoma barbatum) portrait, showing a short bioluminescent barbel present beneath the lower jaw and a large triangular luminous organ positioned under the eye. A row of light...

Solvin Zankl / Barbeled dragonfish (Astronesthes caulophorus) close up profile, Benguela Current, Atlantic Ocean, close to Namibia. Controlled Conditions.

Solvin Zankl / Barbeled dragonfish (Astronesthes caulophorus) motionless in the darkness, Benguela Current, Atlantic Ocean, close to Namibia. Controlled Conditions.

Solvin Zankl / Threadfin dragonfish (Echiostoma barbatum) close up panning shot from bioluminescent barbel to the head, Benguela Current, Atlantic Ocean, close to Namibia. Controlled Conditions.

Solvin Zankl / Threadfin dragonfish (Echiostoma barbatum) close up, showing large teeth and triangular luminous organ positioned under the eye, Benguela Current, Atlantic Ocean, close to Namibia. Controlled Conditio...

Solvin Zankl / Threadfin dragonfish (Echiostoma barbatum) close up of bioluminescent barbel found beneath the lower jaw, Benguela Current, Atlantic Ocean, close to Namibia. Lives at depths of over 2,000 meters. Cont...

Solvin Zankl / Threadfin dragonfish (Echiostoma barbatum) motionless, showing large teeth and bioluminescent barbel beneath the lower jaw, Benguela Current, Atlantic Ocean, close to Namibia. Found at depths of over...

Solvin Zankl / Scaleless black dragonfish (Melanostomias biseriatus) appearing out of the darkness and swimming towards the camera, Atlantic Ocean close to Cape Verde.

Solvin Zankl / Portrait of Scaleless black dragonfish (Melanostomias biseriatus), Atlantic Ocean close to Cape Verde.