David Shale / Head-on view of Spothead lanternfish {Diaphus metopocampus} from between 500 and 800m, Mid-Atlantic Ridge, North Atlantic Ocean

David Shale / Head-on view of Spothead lanternfish {Diaphus metopocampus} from between 500 and 800m, Mid-Atlantic Ridge, North Atlantic Ocean

David Shale / Close-up of ventral photophores on body of Viperfish {Chauliodus sloani} Atlantic

David Shale / Head-on view of Spothead lanternfish {Diaphus metopocampus} from between 500 and 800m, Mid-Atlantic Ridge, North Atlantic Ocean

David Shale / Ventral view with photophore of Lanternfish {Lampadena speculiguera} Mid-Atlantic Ridge, North Atlantic Ocean

David Shale / Dorsal view with photophore of Lanternfish {Lampadena speculiguera} Mid-Atlantic Ridge, North Atlantic Ocean

David Shale / Deepsea octopus (Bolitaena pygmaea) Ventral photophore in the female only is an area of yellow tissue around the mouth. Produces bioluminescence, deep sea Atlantic oceandeep sea