Nigel Cattlin / Fox and cubs (Pilosella aurantiaca). Berkshire, England, UK. June.

Alan Williams / Wool-carder bee (Anthidium manicatum) feeding on Orange Hawkweed (Hieracium aurantiacum) in garden Cheshire, England, UK. June.

Will Watson / Cat's-ear (Hypochaeris radicata) and Fox-and-cubs (Pilosella aurantiaca) growing in lawn, Essex, England, UK, September.

Alex Mustard / 2020VISION / Great spider crab (Hyas araneus) on Deadman's fingers (Alcyonium digitatum) coral, feeding in a current, Loch Carron, Ross and Cromarty, Scotland, UK, April

Wild Wonders of Europe / Lundgren / Great spider crab (Hyas araneus) decorated with hydroids, Moere coastline, Norway, February 2009

Olga Kamenskaya / Great spider crab (Hyas araneus) Novaya Zemlya, Russian Arctic, July

Olga Kamenskaya / Great spider crab (Hyas araneus) Novaya Zemlya, Russian Arctic, July

Olga Kamenskaya / Great spider crab (Hyas araneus) Novaya Zemlya, Russian Arctic, July

Olga Kamenskaya / Great spider crab (Hyas araneus) Svalbard, Norway, September.

Scott Leslie / Arctic Lyre Crab (Hyas coarctatus) among sea anemones and Cunner (Tautogolabrus adspersus) school, Bonne Bay, Newfoundland, Canada

Franco Banfi / Great spider crab (Hyas araneus) Arctic circle Dive Center, White Sea, Karelia, northern Russia

Alex Mustard / 2020VISION / Great spider crab (Hyas araneus) on Deadman's fingers (Alcyonium digitatum) coral, feeding in a current, Loch Carron, Ross and Cromarty, Scotland, UK, April

Solvin Zankl / Contracted spider crab (Hyas coarctatus) with hydroids, Atlantic Ocean,

Solvin Zankl / Great spider crab (Hyas araneus) on Kelp (Laminaria hyperborea), Atlantic Ocean, North West Norway

Solvin Zankl / Great spider crab (Hyas araneus) with hydroids, Atlantic Ocean, Norway

Scott Leslie / Arctic Lyre Crab (Hyas coarctatus) among sea anemones, Bonne Bay, Newfoundland, Canada

Jack Perks / European spider crab (Hyas araneus) entering frame, stopping to feed on seabed before walking off into Common eelgrass (Zostera marina), Swanage pier, Dorset, England, UK, English Channel, September.

Alex Mustard / Spider crab (Hyas sp.) scaling the stipe of Cuvie kelp (Laminaria hyperborea) up into the canopy of the kelp forest. Loch Carron, Highlands, Scotland, UK.

Alex Mustard / Great spider crab (Hyas araneus) attacking the camera, amongst a bed of Common brittlestar (Ophiothrix fragilis) and Deadman's fingers (Alcyonium digitatum), Loch Carron, Highlands, Scotland, UK.

Alex Mustard / Spider crab (Hyas sp.) feeding on a Flame shell (Limaria hians) while climbing on a kelp stipe, Loch Carron, Highlands, Scotland, UK.

Alex Mustard / RF - Great spider crab (Hyas araneus) clinging to a blade of Kelp (Laminaria hyperborea) billowing in the current. Loch Carron, Scotland, UK. (This image may be licensed either as rights managed or ro...

Alex Mustard / Velvet swimming crab (Necora puber) feeding on a sea toad (Hyas sp.) in a bed of sea squirts. Kinlochbervie, Sutherland, The Highlands, Scotland, United Kingdom. Loch Inchard, The Minch, North East At...

Alex Mustard / Large Great spider crab (Hyas araneus) clambers over a seabed covered in colourful Common brittlestars (Ophiothrix fragilis). Fort William, Lochaber, The Highlands, Scotland, United Kingdom. Loch Linn...

Alex Mustard / Great spider crab (Hyas araneus) covered in algae, climbing up onto a frond of kelp (Laminaria hyperborea). Lochcarron, Ross-shire, Ross and Cromarty, Highlands, Scotland, United Kingdom. British Isle...