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