Norbert Wu / Ctenophore (Beroe cucumis) voracious, large mouth, Arctic

Franco Banfi / Arctic comb jelly / Sea nut (Mertensia ovum) swimming in front of iceberg. Tasiilaq, East Greenland. April.

Olga Kamenskaya / Arctic Comb Jelly (Mertensia ovum) Svalbard, Norway, September.

Pascal Kobeh / Ctenophora / Comb jelly (Beroe mitrata) under the ice, Baffin island, Canada. Arctic ocean.

Eric Baccega / Luminescent Combjelly (Phylum ctenophora) in arctic waters. Floe Edge, Arctic Bay, Baffin Island, Nunavut, Canada, June.

Eric Baccega / Luminescent Combjelly (Phylum ctenophora) in arctic waters. Floe Edge, Arctic Bay, Baffin Island, Nunavut, Canada, June.

Eric Baccega / Luminescent Combjelly (Phylum ctenophora) in arctic waters. Floe Edge, Arctic Bay, Baffin Island, Nunavut, Canada, June.

Norbert Wu / Ctenophore (Beroe cucumis) a Comb Jelly, Arctic Ocean

Norbert Wu / Ctenophore (Beroe cucumis) a Comb Jelly, Arctic Ocean

Norbert Wu / Comb Jelly (Mertensia ovum) with tentacles withdrawn to lick clean, Arctic

Norbert Wu / Ctenophore (Beroe cucumis) voracious with large mouth, Arctic

Flip Nicklin / Comb Jelly underwater portrait, Arctic

Norbert Wu / Comb Jelly (Mertensia ovum) tentacles splayed to catch prey, Arctic

Norbert Wu / Comb Jelly (Mertensia ovum) feeds on krill which is digested rapidly within transparent gut, Arctic

Pascal Kobeh / Ctenophora comb jelly (Beroe cucumis) under the ice Russia. White Sea.

Pascal Kobeh / Ctenophora comb jelly (possibly Dryodorglandiformis) under the ice Russia. White Sea.