Alex Mustard / Planktonic sea walnut ctenophore (Mnemiopsis mccradyi) in open water, Seven Mile Beach, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea.

David Shale / Comb Jelly {Bollinopsis ssp} caught with 1m ring net between 0 and 150m, comb plates, Mid-Atlantic Ridge, North Atlantic Ocean

David Hall / Soft coral ghostgoby (Pleurosicya boldinghi) swimming through Soft coral (Dendronephthya). Shrimp and benthic Comb-jellies (Ctenophora) present, all commensal. Pantar, Alor Archipelago, Indonesia.

Alex Mustard / Ctenophore (Bolinopsis sp.) in a sea loch, with sun. Loch Fyne, Scotland, Great Britain.

Doug Perrine / Comb jelly / sea gooseberry (Hormiphora palmata) diffracting light through cilia (fine hair-like structures) on the comb rows, Kailua Kona, Hawaii, USA.

Doug Perrine / Close-up of Ctenes or Comb plates (Eurhamphaea vexilligera) a translucent gelatinous organism with colors produced by the diffraction of light through cilia. Kailua Kona, Hawaii, USA.

Will Watson / Cranefly (Ctenophora pectincornis) on Hawthorn (Crataegus monogyna), ancient semi-natural woodland, Herefordshire Plateau, England.

MYN / Dirk Funhoff / Crane fly (Ctenophora ornata), Mechtersheim, Pfalz, Germany. July. Meetyourneighbours.net project

MYN / Dirk Funhoff / Crane fly (Ctenophora ornata), Mechtersheim, Pfalz, Germany. July. Meetyourneighbours.net project

Jordi Chias / Fin whale (Balaenoptera physalus) with ctenophore in front of its mouth, south Barcelona coast, Spain, Mediterranean Sea

Graham Eaton / Comb jellyfish (Bolinopsis infundibulum) in shallow water and kelp, Bersoch, Cardigan Bay, Wales, UK July

Franco Banfi / Venus girdle comb jelly (Cestum veneris) San Benedicto island, Revillagigedo Archipelago Biosphere Reserve (Socorro Islands), Pacific Ocean, Western Mexico

Franco Banfi / Comb jelly (Ctenophora) Roca Partida close to San Benedicto Island, Revillagigedo Archipelago Biosphere Reserve, Socorro Islands, Western Mexico

Franco Banfi / Comb jelly (Ctenophora) Roca Partida close to San Benedicto Island, Revillagigedo Archipelago Biosphere Reserve, Socorro Islands, Western Mexico

Alex Mustard / Amphipod travelling on sea gooseberry (Ctenophora) Browning Pass, Vancouver Island, British Columbia, Canada. North East Pacific Ocean.

Pascal Kobeh / Comb jelly (Lobata) in open water, Maldives. Indian Ocean.

Pascal Kobeh / Comb jelly (Lobata) in open water, Maldives. Indian Ocean.

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

Solvin Zankl / Amphipod (Amphipoda) riding on comb jelly (Hormiphora cucumis), Gullmarsfjorden, Kattegat, Baltic Sea, Sweden

Michele Westmorland / Ctenophores comb jelly (species unidentified) Galapagos Islands.

Michele Westmorland / Unidentified ctenophores floating in open ocean. Galapagos Islands.

Alex Mustard / 2020VISION / Comb jelly / Sea gooseberry (Pleurobrachia pileus) in open water. The feathery tentacles are used for capturing prey and can be extended behind the jellyfish or completely retracted. Loch Carron, Ross...

Stephen Dalton / Cranefly (Ctenophora pectinicornis) resting on white brick wall. Sussex, UK, March.

Juergen Freund / Creeping ctenophore / comb jelly (Coeloplana meteoris) camouflaged on seabed, North Sulawesi, Indonesia.

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.

Juergen Freund / Starfish comb jelly (Coeloplana astericola) on seabed, Misool, Raja Ampat, West Papua, Indonesia.

Juergen Freund / Close up of leg of Starfish comb jelly (Coeloplana astericola) Misool, Raja Ampat, West Papua, Indonesia.

Juergen Freund / Starfish comb jelly (Coeloplana astericola) Misool, Raja Ampat, West Papua, Indonesia.

Juergen Freund / Close up of leg of Starfish comb jelly (Coeloplana astericola) Misool, Raja Ampat, West Papua, Indonesia.

Suzi Eszterhas / Comb Jelly (Beroe) Monterey Bay Aquarium, California, USA, Captive

Nick Upton / A large, colourful Crane fly (Ctenophora pectinicornis) sunbasking on a leaf. Wiltshire garden, UK, June

Nick Upton / A large, colourful Crane fly (Ctenophora pectinicornis) sunbasking on a leaf. Wiltshire garden, UK, June

Bernard Castelein / Crane fly (Ctenophora atrata) at rest on stem of grass, Brasschaat, Belgium, May

David Shale / Bathypelagic comb jelly (Ctenophora) from benthic boundary layer. Found attached to seafloor by adhesive tentacles. Mid atlantic ridge, June 2010

David Shale / Bathypelagic cyddipid ctenophore / comb jelly (Ctenophora) from benthic boundary layer, mid Atlantic ridge, June 2010

David Shale / Bathypelagic cyddipid ctenophore / comb jelly (Ctenophora) from benthic boundary layer, mid Atlantic ridge, June 2010

David Shale / Bathypelagic comb jelly (Ctenophora) from benthic boundary layer. Found attached to seafloor by adhesive tentacles, Mid atlantic ridge, June 2010

David Shale / Bathypelagic comb jelly (Ctenophora) from benthic boundary layer. Found attached to seafloor by adhesive tentacles. Mid atlantic ridge, June 2010

Juergen Freund / Comb jelly {Ctenophora} Lizard Island, Queensland, Australia, April 2008

Juergen Freund / Comb jelly {Ctenophora} close up of reflections, Lizard Island, Queensland, Australia, April 2008

GEORGETTE DOUWMA / Warty starfish (Echinaster callosus) on coral reef, with a few Comb jellies (Coeloplana astericola) Misool, Raja Ampat, West Papua, Indonesia

David Shale / Comb jelly (Beroe sp) Mid-Atlantic Ridge, North Atlantic Ocean

David Shale / Comb Jelly {Bollinopsis ssp} caught with 1m ring net between 0 and 150m, Mid-Atlantic Ridge, North Atlantic Ocean

Georgette Douwma / Comb jellies (Coeloplana astericola) on a Luzon / orange starfish (Echinaster luzonicus). Rinca, Indonesia.

Georgette Douwma / Comb jelly (Coeloplana astericola) on a Luzon / orange starfish (Echinaster luzonicus). Rinca, Indonesia.

Kim Taylor / Comb-horn Cranefly (Ctenophora flaveolata) male, captive, UK.

David Shale / Comb jelly {Ctenophora} Gulf of Maine, Atlantic

David Shale / Red Cydippid comb jelly {Ctenophora} mesopelagic, Gulf of Maine, Atlantic

David Shale / Red Cydippid comb jelly {Ctenophora} mesopelagic, Gulf of Maine, Atlantic

David Shale / Red Cydippid comb jelly {Ctenophora} mesopelagic, Gulf of Maine, Atlantic

Juergen Freund / Comb jelly underwater (Ctenophora) Indo-Pacific

SINCLAIR STAMMERS / Venus's girdle, marine plankton species (Cestum veneris)

SINCLAIR STAMMERS / Comb jelly with syphons visible (Beroe ovata) plankton species, France

David Shale / (Bolinopsis infundibulum) mesopelagic ctenophore / comb jelly, deep sea Atlantic oceandeep sea

David Shale / (Bolinopsis infundibulum) mesopelagic ctenophore / comb jelly, deep sea Atlantic oceandeep sea

David Shale / (Bolinopsis infundibulum) mesopelagic comb jelly, deep sea Atlantic oceandeep sea

David Shale / Comb plates of (Beroe sp) comb jelly showing metachronal rhythm, deep sea Atlantic oceandeep sea

David Shale / Comb jelly (Pleurobrachia sp), deep sea Atlantic ocean

David Shale / Comb jelly (Pleurobrachia sp), deep sea Atlantic ocean

David Shale / Comb jelly (Euplokamis sp), deep sea Atlantic ocean

David Shale / Comb plates of (Beroe sp) comb jelly showing metachronal rhythm, deep sea Atlantic oceandeep sea

David Shale / Close up of Black-mouth red cydippid ctenophore (comb jelly) W Atlantic.

David Shale / Black-gut red cydippid ctenophore (comb jelly) with extended tentacles, W Atlantic.

David Shale / Deep sea Comb jelly {Beroe cucumis} from 800metres depth

David Shale / Deep sea Comb jelly {Beroe cucumis} from 800m depth

David Shale / Deep sea Comb jelly {Beroe cucumis} from 800metres depth

David Shale / {Bolinopsis infundibulum} ctenophore (comb jelly) Atlantic. Deep sea species

David Shale / Deep sea Comb jelly {Beroe cucumis} from 800m depth

David Shale / Deep sea Comb jelly {Beroe cucumis} from 800m depth

David Shale / Extended tentacle of Black-gut red cydippid ctenophore (comb jelly) W

David Shale / Deep sea Comb jelly {Beroe cucumis} from 800m depth

David Shale / Black-gut red cydippid ctenophore (comb jelly) with extended tentacles, W Atlantic.

David Shale / Black-mouth red cydippid ctenophore (comb jelly) with extended tentacles, W Atlantic.

David Shale / {Bolinopsis infundibulum} ctenophore (comb jelly) Atlantic. Deep sea species

David Shale / {Bolinopsis infundibulum} ctenophore (comb jelly) Atlantic. Deep sea species

David Shale / Black-gut red cydippid ctenophore (comb jelly) with extended tentacles, W Atlantic.

Solvin Zankl / Comb jelly {Leucothea pulchra}

Jeff Rotman / Comb jelly / Ctenophore {Leucothea sp} Brittany, France

Jeff Rotman / Pelagic Comb jelly / ctenophore {Leucathea sp.}, Red Sea

Jeff Rotman / Sea Gooseberry {Pleurobrachia pileus} at night, Atlantic, USA. Comb jelly / Ctenophora

SINCLAIR STAMMERS / Venus's girdle comb jelly (Cestum veneris) Mediterranean plankton

Juergen Freund / Comb jelly swimming (Ctenophora).

Juergen Freund / Comb Jelly (Ctenophore)

David Shale / Deep-sea lobate Ctenophore, Gulf of Mexico

David Fleetham / Tiny amphipod riding on a sea gooseberry (Pleurobrachia bachei), also known as a comb jelly, British Columbia, Canada.

David Fleetham / Unknown species of fish in larval stage, hiding behind a ctenophore (comb jelly), Indonesia.

David Fleetham / Lobate comb jelly (Ocyropsis maculata), Indonesia.

David Fleetham / Comb jelly (Ctenophora), Hawaii.

David Fleetham / Lobate comb jelly, Hawaii.

David Fleetham / Lobate comb jelly, Hawaii.

David Fleetham / Winged comb jelly (Leucothea multicornis), Hawaii.

Nature Production / Comb jelly {Cestum amphitrites} Indonesia

Luis Quinta / Comb jelly (Bolinopsis sp.) portrait, Portugal, Atlantic Ocean.

Luis Quinta / Comb jelly (Bolinopsis sp.) portrait, Portugal, Atlantic Ocean.