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...

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

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.

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 / 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...