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

Alex Mustard / Red eye medusa (Polyorchis penicillatus) with hitchhiking amphipods (Hyperia medusarum). Browning Pass, Vancouver Island, British Columbia, Canada. North East Pacific Ocean.

Alex Mustard,Alex Mustard / Red eye medusa (Polyorchis penicillatus) with its feeding tentacles extended to catch planktonic prey. Note that the bell of the jelly has hitchhiking amphipods (Hyperia medusarum). Browning Pass, Van...

David Shale / Deepsea amphipod {Scypholanceola stephensi} from between 500 and 800m, night, Mid-Atlantic Ridge, North Atlantic Ocean

David Shale / Deepsea amphipod from between 507-805m, Mid-Atlantic Ridge, North Atlantic Ocean

Solvin Zankl / Close up of head of Deepsea amphipod Pram bug {Phronima sp} adult, Atlantic ocean

David Shale / Deepsea Amphipod (Lanceola sayana) from the mid atlantic ridge

David Shale / Pelagic amphipod (Phronima sp) often associated with salps, deep sea Atlantic ocean

Doug Perrine / Parasitoid deepsea hyperiid amphipod (Phronima sp.) parasite riding inside the shell of its host salp, Kona, Hawaii. USA. Central Pacific Ocean.

Doug Perrine / Parasitoid deepsea hyperiid amphipod (Phronima sp) carrying a clutch of eggs, Kona, Hawaii, USA.

David Shale / Deep sea amphipod (Cystisoma) swimming, a deep sea species from the Mesopelagic zone. Mid-Atlantic Ridge. Body is totally transparent and the redness in the eye is the visual pigment in the retina.

David Shale / Deep sea amphipod (Cystisoma) swimming, a deep sea species from the Mesopelagic zone. Mid-Atlantic Ridge. Body is totally transparent and the redness in the eye is the visual pigment in the retina.