Alex Mustard / 2020VISION / Common hermit crab (Pagurus bernhardus), Loch Leven, Ballachulish, Scotland, UK, April

MYN / Jerry Monkman / Acadian hermit crab (Pagurus acadianus) emerging from shell, Rye, New Hampshire, USA, January. meetyourneighbours.net project

Alex Mustard / 2020VISION / Hermit crab (Pagurus bernhardus) moving forward, Loch Long, Argyll and Bute, Scotland, UK, April. Did you know? Despite their name, hermit crabs can be quite sociable creatures.

Chris Newbert / Right-handed Hermit Crab (Paguritta sp) colony in Hump Coral (Porites sp), Solomon Islands

Chris Newbert / Hermit Crab (Paguritta gracilipes) in Hump Coral (Porites sp) 30 feet deep, Solomon Islands

Alex Mustard / Portrait of Morgan's coral hermit crab (Paguritta morgani) looking out of its burrow in a hard coral colony. These hermit crabs are sedentary, remaining in their burrows, rather than carrying arou...

Pascal Kobeh / Coral hermit crab (Paguritta / Orthopagurus harmsi), Sulu sea, Philippines

SCOTLAND: The Big Picture / Hermit crab (Pagurus bernhardus) on yellow sponge, Loch Etive, west coast of Scotland, UK, September.

SCOTLAND: The Big Picture / Hermit crab (Pagurus bernhardus) sat on yellow sponge, Loch Etive, west coast of Scotland, UK, August.

Alex Mustard / Hermit crab (Pagurus bernhardus) on a chalk nodule on a chalk reef. Sherringham, north Norfolk, England, United Kingdom. North Sea

David Fleetham / Coral hermit crab (Paguritta sp) in coral home, Yap, Micronesia. Small repro only

Olga Kamenskaya / Hermit crab (Pagurus sp ) Novaya Zemlya, Russian Arctic, July