Claudio Contreras / Californian sea lion (Zalophus californianus) swimming in Southern sea palm (Eisenia arborea) and Giant Kelp (Macrocystis pyrifera) forest, San Benitos Islands, Baja California Pacific Islands Biosphe...

Sue Daly / Feather duster fan worm (Sabella spallanzanii) with tentacles moving in the current, Sark, British Channel Islands, UK, August.

Ingo Arndt / Hedgehog eating earthworm {Erinaceus europaeus} Germany

Ammonite / Earthworm (Lumbricus terrestris) moving through and feeding on leaf litter, Bristol, England, UK, June.

Ammonite / Earthworm (Lumbricus terrestris) moving through leaf litter, footage taken using an endoscopic camera in controlled conditions, Bristol, England, UK, June.

Laurent Geslin / Common earthworm (Lumbricus terrestris) on dug earth in garden, England

Laurent Geslin / Common earthworm (Lumbricus terrestris) on dig earth a garden, England

Franco Banfi / Close up detail of soft coral (Dendronephthya sp.) Maldives, Indian Ocean

Franco Banfi / Detail of magnificent Sea anemone (Heteractis magnifica) Maldives, Indian Ocean

Alex Mustard / Synchronous spawning of a mountainous star coral (Montastraea faveolata) at night. East End, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea.

Linda Pitkin / 2020VISION / Tube worms (Bispira volutacornis) living between rocks covered in Crustose coralline (Corallinaceae) and red algae (Rhodophyceae), Lundy Island Marine Conservation Zone, Devon, England, UK, May.

Linda Pitkin / 2020VISION / Sunset cup coral / Yellow cave coral (Leptopsammia pruvoti), on sponge covered rock face, Lundy Island Marine Conservation Zone, Devon, England, UK, May

David Shale / Solenosmilia sp and eunicid polychaete and bamboo coral. Collected from coral sea mount near Dragon vent field on SW Indian Ridge, Indian Ocean.

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

Alex Mustard / A diver exploring a coral reef with formation of brown tube sponges (Agelas conifera) red rope sponges (Amphimedon compressa) and deepwater sea fans (Iciligorgia nodulifera) East End, Grand Cayman, Ca...

Jeff Rotman / Gorgonian Seafan Coral (Gorgonacea) polyps open to feed at night. South China Sea, Sipadan Island, Borneo.

David Shale / Deepsea benthic Sea cucumber (Peniagone sp) with commensal polynoid polychaete, from mid atlantic ridge, depth approx 2600m, June 2010

Stephen Dalton / Earthworm (Lumbricus terrestris) in burrow, exposed in sectioned topsoil, England, UK

David Shale / Enteropneust worm / Acorn worm (Allapagus isidis) from the North Atlantic Ocean. Southern White variety. Feeds on sea floor sediment and has been observed swimming, new species, first recorded in J...

David Shale / Enteropneust worm / Acorn worm (Allapagus isidis) from the North Atlantic Ocean. Southern White variety. Feeds on sea floor sediment and has been observed swimming, new species, first recorded in J...

David Shale / Enteropneust worm / Acorn worm (Yoda purpurata) from the North Atlantic Ocean, southern Purple variety, feeds on sea floor sediment leaving behind variable wavy traces, Depth approx 2700m. new spec...

David Shale / Enteropneust worm / Acorn worm (Yoda purpurata) from the North Atlantic Ocean, southern Purple variety, feeds on sea floor sediment leaving behind variable wavy traces, Depth approx 2700m. new spec...

David Shale / Enteropneust worm / Acorn worm (tergivelum cinnabarinum) from the North Atlantic Ocean, Northern Pink variety, Feeds on sea floor sediment leaving behind characteristic spiral traces, depth approx 27...

David Shale / Enteropneust worm / Acorn worm (Tergivelum cinnabarinum) from the North Atlantic Ocean, Northern Pink variety, Feeds on sea floor sediment leaving behind characteristic spiral traces, depth approx 27...

Wild Wonders of Europe / Lundgren / Spiral tube worm (Sabella / Spirographis spallanzani) Faial, Azores, Portugal, July 2009

Wild Wonders of Europe / Lundgren / Fireworm (Hermodice carunculata) close-up, Pico, Azores, Portugal, July 2009

Wild Wonders of Europe / Lundgren / Spiral tube worm (Sabella / Spirographis spallanzani) Faial, Azores, Portugal, June 2009

Wild Wonders of Europe / Lundgren / Spiral tube worm (Sabella / Spirographis spallanzani) Faial, Azores, Portugal, June 2009

Wild Wonders of Europe / della Ferrera / White stork (Ciconia ciconia) throwing Earthworm (Lumbricus sp) into air before feeding, Near Drenov Bok village, Lonjsko Polje Nature Park, Sisack-Moslavina county, Slavonia region, Posavina area, Cr...

Wild Wonders of Europe / Banfi / Tube worm (Protula tubularia) Larvotto Marine Reserve, Monaco, Mediterranean Sea, July 2009

Wild Wonders of Europe / Banfi / Tube worm (Protula tubularia) Larvotto Marine Reserve, Monaco, Mediterranean Sea, July 2009

Andy Rouse / Blackbird (Turdus merula) pulling worm from ground in garden, UK

David Shale / Close up of mouth of a Bristleworm {Polychaeta} from the Mid-Atlantic Ridge, North Atlantic Ocean

David Shale / Bristleworm {Polychaeta} from the Mid-Atlantic Ridge, North Atlantic Ocean

Stephen Dalton / Common toad (Bufo bufo) catching worm, controlled conditions, UK

Wild Wonders of Europe / Zankl / European fan worms (Sabella / Spirographis spallanzani) Malta, Mediteranean, May 2009

Wild Wonders of Europe / Zankl / Close-up of European fan worm (Sabella / Spirographis spallanzani) Malta, Mediteranean, May 2009

Wild Wonders of Europe / Zankl / European fan worms (Sabella / Spirographis spallanzani) Malta, Mediteranean, May 2009

Wild Wonders of Europe / Novák / Lugworm (Anericola marina) casts on sand, Japsand, Schleswig-Holstein Wadden Sea National Park, Germany, April 2009

Wild Wonders of Europe / Pitkin / Nudibranch / Sea slug (Discodoris / Peltodoris atromaculata) feeding on a sponge (Petrosia ficiformis) Cala di Grecu, Lavezzi Islands, Corsica, France, September 2008

Wild Wonders of Europe / Lundgren / Bristleworm {Nereididae} swimming, Saltstraumen, Bod, Norway, October 2008

Philippe Clement / Close up of Earthworm (Lumbricus terrestris) in grassland, Belgium. Captive.

Juergen Freund / Giant fanworm / feather duster {Spirobranchus spallanzani} on coral reef, Mediterranean

Jeff Rotman / Lyretail Hogfish (Bodianus anthioides) sleeping in sponge at night. Egypt, Red Sea.

Constantinos Petrinos / Stove Pipe sponge {Aplysina archeri} Bonaire, Caribbean

Sue Daly / Lugworm cast {Arenicola marina} Jersey, Channel Isles, UK

Duncan Mcewan / Earthworm in soil, UK

PREMAPHOTOS / Flatworm {Biplanium} on leaf in tropical rainforest, Sumatra, Indonesia

PREMAPHOTOS / Lilac earthworm on moss (Octolasion cyaneum) UK

Pascal Kobeh / Hard coral (Porites lutea) with Christmas-tree worms (Spirobranchus giganteus), New Caledonia, Pacific Ocean.

Georgette Douwma / Kaleidoscopic image of Variegated feather duster (Bispira variegata), Sabellidae. Puerto Galera, Philippines.

Jordi Chias / Bristle worm (Polychaeta sp), Antarctic Peninsula, Antarctica.

David Fleetham / Blue spiral fan (used for feeding and breathing) of Christmas tree worm (Spirobranchus giganteus) visible on reef. Maui, Hawaii.

David Fleetham / Packaged Jellyfish (Scyphoza) in supermarket, Nanning, Guangzi, China.

Dave Bevan / Robin (Erithacus rubecula) catching an Earthworm (Lumbricus terrestris) on freshly dug soil, Carmarthenshire, Wales, UK. September.

Philippe Clement / Black garden ants (Lasius niger) removing pieces from a dead Earthworm (Lumbricus terrestris) and taking them back to the nest, Gran Paradiso National Park, Graian Alps, Italy, June

Steve Downer / Common european toad (Bufo bufo) swallowing an earthworm, April. Captive.

Steve Downer / Common european toad (Bufo bufo) swallowing an earthworm, April. Captive.

Steve Downer / Common european toad (Bufo bufo) catching and eating an earthworm, May. Captive.

Steve Downer / Common European toad (Bufo bufo) catching and eating an earthworm. Captive.

Nick Upton / Oystercatcher (Haematopus ostralegus) swallowing an Earthworm (Lumbricus terrestris) and foraging for more, Gloucestershire, England, UK, February.

Nick Upton / Oystercatcher (Haematopus ostralegus) pulling up an Earthworm (Lumbricus terrestris), Gloucestershire, England, UK, February.

Nick Upton / Male Blackbird (Turdus merula) pulling up an Earthworm (Lumbricus terrestris) from a lawn, near Bude, Cornwall, England, UK, June.

Sue Daly / Peacock tube worm (Sabella pavonina), with tentacles moving in the current, Sark, British Channel Islands, UK, June.

Sue Daly / Group of Spiral fan worms (Bispira volutacornis), Sark, British Channel Islands, UK, June.

Tony Wu / Bobbit worm (Eunice aphroditois) protruding from its burrow in the muck of the Lembeh Strait. Bobbit worms are ambush predators, lunging out to grasp prey with their pincers.

Jan Hamrsky / Large red damselfly nymph (Pyrrhosoma nymphula) with a sludge worm prey, Europe, October. Controlled conditions.

Andy Rouse / 2020VISION / Little owl (Athene noctua) on the ground eating an earthworm, Wales, UK, July 2010.

Andy Jackson / 2020VISION / Dahlia sea anemones (Urticina / Tealia felina) moving in tidal current, Westray, Orkney, Scotland, UK, June.

Andy Jackson / 2020VISION / Dahlia sea anemone (Urticina / Tealia felina) group in rock crevice, Giant's Legs Sea Stack, Shetland, July.

Andy Rouse / Little owl (Athene noctua) on the ground eating an earthworm, Wales, UK, July 2010.

Markus Varesvuo / Ring Ouzel (Turdus torquatus) male with worm, Liminka, Finland, April 2006

Ammonite / Earthworm (Lumbricus terrestris) secreting lubricating mucus before moving away from camera, footage taken using an endoscopic camera in controlled conditions, Bristol, England, UK, June.

Nick Upton / Duck Leech (Theromyzon tessulatum) waiting and ready to crawl up the nostrils of a duck to suck blood from its respiratory tracts, reaching out from a Delicate stonewort (Chara virgata) alga in a shal...

Nick Upton / Moorhen (Gallinula chloropus) pulling up an Earthworm (Lumbricus terrestris) from partly snow-covered grassland fringing Corsham lake, Wiltshire, UK, January.

MYN / Dimitris Poursanidis / Earthworm (Lumbricus terrestris) after a rainy day, Heraklion, Crete, Greece meetyourneighbours.net project

Franco Banfi / Detail of Bearded fireworm (Hermodice carunculata) Vis Island, Croatia, Adriatic Sea, Mediterranean

Franco Banfi / Detail of Bearded fireworm (Hermodice carunculata) Vis Island, Croatia, Adriatic Sea, Mediterranean

Franco Banfi / Slope close to wreck of the cargo boat 'Vassilios T' with Bearded fireworm (Hermodice carunculata) with Sea star (Hacelia attenuata) Vis Island, Croatia, Adriatic Sea, Mediterranean

Franco Banfi / Tube worm (Sabella spallanzani) Stupiste out dive site, Vis Island, Croatia, Adriatic Sea, Mediterranean

Franco Banfi / Spirograph worm (Sabella spallanzani) Ischia Island, Italy, Tyrrhenian Sea, Mediterranean

Franco Banfi / Scorpionfish (Scorpaena oxycephala) on Tube worm (Sabellastarte sanctijosephi) Cendana Jetty, Waigeo island, Raja Ampat, Irian Jaya, West Papua, Indonesia, Pacific Ocean

Franco Banfi / Christmas tree worm (Spirobranchus giganteus) Raja Ampat, Irian Jaya, West Papua, Indonesia, Pacific Ocean

Daniel Heuclin / Red worm lizard (Amphisbaena alba) French Guiana

Michael Pitts / Sea anemone, Jellyfish Lake. Palau, Pacific Ocean.

Mark MacEwen / Medicinal leech (Hirudo medicinalis) egg cocoon, UK

Mark MacEwen / Medicinal leech (Hirudo medicinalis) feeding on human, UK

Mark MacEwen / Medicinal leech (Hirudo medicinalis) feeding on human, UK

Franco Banfi / Beaded Sea anemone (Heteractis aurora) close up detail, Maldives, Indian Ocean

Franco Banfi / Reef covered with various (Acropora) hard corals including Table top coral (Acropora hyacinthus) as well as (Acropora robusta), Maldives, Indian Ocean

Franco Banfi / Table top corals (Acropora hyacinthus) and other (Acropora robusta) corals, Maldives, Indian Ocean

Franco Banfi / Table top coral (Acropora hyacinthus) covering coral reef at Pulaa Thila, Maldives, Indian Ocean

Franco Banfi / Close up detail of hard coral, unidentified species, Maldives, Indian Ocean

Franco Banfi / Table top coral (Acropora hyacinthus), Maldives, Indian Ocean

Franco Banfi / Sponge (Porifera) Arctic circle Dive Center, White Sea, Karelia, northern Russia

Franco Banfi / Scuba diver exploring Viana wreck, the hull is covered with spiral Tube-worm (Sabella spallanzani). Propeller of Viana wreck, a vessel set on fire in the Horta harbour. In attempt to contain the fire,...