Constantinos Petrinos / Peacock-tail anemone shrimp (Periclimenes brevicarpalis) living commensally with the Branching Sea Anemone (Actinodendron glomeratum). Lembeh Strait, North Sulawesi, Indonesia.

Alex Mustard,Alex Mustard / A portrait of a small Candy stripe shrimp (Lebbeus grandimanus) in front of its host pink anemone (out of focus because of the magnification). Browning Wall, Browning Pass, Port Hardy, Vancouver Islan...

Alex Mustard / 2020VISION / Pink shrimp (Pandalus montagui), Loch Carron, Ross and Cromarty, Scotland, UK, April

Alex Mustard / 2020VISION / Skeleton shrimp (Caprella linearis) living within the polyps of Dead man's fingers soft coral. Bard Cave, Bressay, Shetland Islands, Scotland, UK, June

Wild Wonders of Europe / Lundgren / Montague / Pink shrimp (Pandalus montagui) close-up, Lofoten, Norway, November 2008

Jeff Rotman / Emperor Shrimp (Periclimenes imperator / Zenopontonia rex) living inside gills of Spanish Dancer Nudibranch (Hexabranchus sanguineus). Egypt, Red Sea.

SCOTLAND: The Big Picture / Feather star shrimp (Hippolyte prideauxiana) on a feather star (Antedon bifida) Scotland, UK, February.

David Fleetham / Mysid shrimp (Mysida sp), many feeding on plankton attracted to light. Philippines.

David Fleetham / Miner's urchin shrimp (Gnathophylloides mineri) camouflaged on a Collector urchin (Pseudoboletia indiana) Hawaii.

Alex Mustard / Yellow-orange ocellated tozeuma shrimp (Tozeuma lanceolatum) on a orange-pink sponge. Bitung, North Sulawesi, Indonesia. Lembeh Strait, Molucca Sea.

Georgette Douwma / Pink-eared mantis shrimp (Odontodactylus latirostris), Lembeh Strait, North Sulawesi, Indonesia. December.

Franco Banfi / Emperor shrimp (Periclemenes imperator) on Sea cucumber (Thelenota ananas), Tubbataha Natural Park, UNESCO Natural World Heritage Site, Sulu Sea, Cagayancillo, Palawan, Philippines. April.

Constantinos Petrinos / Harlequin shrimp (Hymenocera elegans) rare colour variation Lembeh Strait, North Sulawesi, Indonesia.

Constantinos Petrinos / Peacock-tail anemone shrimp (Periclimenes brevicarpalis) living commensally with the Branching Sea Anemone (Actinodendron glomeratum). Lembeh Strait, North Sulawesi, Indonesia.

Constantinos Petrinos / Peacock-tail anemone shrimp (Periclimenes brevicarpalis) living commensally with the Branching Sea Anemone (Actinodendron glomeratum). Lembeh Strait, North Sulawesi, Indonesia.

Alex Mustard / Photo showing detail of the underside and mount of a honeycomb sea star (Pentaceraster alveolatus) with two tiny shrimps (Periclimenes soror). Bitung, North Sulawesi, Indonesia. Lembeh Strait, Molucca...

Georgette Douwma / Pink-eared mantis shrimp (Odontodactylus latirostris). Lembeh Strait, North Sulawesi, Indonesia.

SCOTLAND: The Big Picture / Humpback shrimp (Pandalus montagui), North Scotland, UK, July.

Alex Mustard / Pink skeleton shrimp (Caprella sp.) portrait in red algae. Thistilfjord, Thorshofn, north east Iceland. North Atlantic Ocean.

Franco Banfi / Clown shrimp (Lebbeus grandimanus) on Crimson anemone (Cribrinopsis fernaldi) British Columbia, Canada, Pacific Ocean

Pascal Kobeh / Pink anemonefish (Amphiprion perideraion) in Magnificent sea anemone (Heteractis magnifica) with Holthuis commensal shrimps (Periclimenes holthuisi) Philippines. Sulu Sea.

Sue Daly / Humpback Prawn (Pandalus montagui) St Abbs Voluntary Marine Reserve, Scotland (North Sea).

Alex Mustard / A portrait of a small Candy stripe shrimp (Lebbeus grandimanus) in front of its host pink anemone (out of focus because of the magnification). Browning Wall, Browning Pass, Port Hardy, Vancouver Islan...

Alex Mustard / Arrow blenny (Lucayablennius zingaro) with a small shrimp in mouth, Babylon, Grand Cayman, Cayman Islands, Caribbean Sea.

Juergen Freund / Coral shrimp (Tozeuma sp.) against coral. Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Sexy anemone shrimp (Periclimenes longicarpus) on anemone, Lembeh Strait, North Sulawesi, Indonesia

David Woodfall / Shrimps, basis of expansion of shrimp pond business in Ganges delta, Bangladesh, July 2008

Wild Wonders of Europe / Lundgren / Pink shrimp (Pandalus montagui) on Kelp, Moere coastline, Norway, February 2009

Tui De Roy / Greater Flamingo (Phoenicopterus ruber) synchronized group courtship dance, Rabida Island, Galapagos Islands, Ecuador

Tui De Roy / Greater Flamingo (Phoenicopterus ruber) preening, Rabida Island, Galapagos Islands, Ecuador

Tui De Roy / Greater Flamingo (Phoenicopterus ruber) preening color derived from pigment in Brine Shrimp, Rabida Island, Galapagos Islands, Ecuador

Doug Perrine / Pink anemonefish {Amphiprion perideraion} + {Periclemenes sp} shrimp in Anemone, PNG

Tui De Roy / Greater Flamingo (Phoenicopterus ruber) preening, color derived from pigment in Brine Shrimp a main food source, Rabida Island, Galapagos Islands, Ecuador

Flip Nicklin / Antarctic Krill (Euphausia superba) pile, Antarctica

Jeff Rotman / Symbiotic shrimp living in gills of Spanish dancer nudibranch, Red Sea

Roberto Rinaldi / Emperor shrimp (Periclimenes imperator / Zenopontonia rex) hiding in gills of Spanish dancer nudibrach (Hexabranchus sanguineus), La Runion, Indian Ocean.

Doug Allan / Sponge (Porifera sp.) with Red banded cleaner shrimps (Stenopus hispidus) inside, Raja Amat Marine Reserve, Indonesia, Ceram Sea.

Jacob Guy / Close up of Pink-eared mantis shrimp (Odontodactylus latirostris) cleaning itself, Lembeh Strait, Indonesia.

Jacob Guy / Pink-eared mantis shrimp (Odontodactylus latirostris) cleaning itself, Lembeh Strait, Indonesia.

Jacob Guy / Pink-eared mantis shrimp (Odontodactylus latirostris) cleaning itself. After cleaning, the animal looks around. Lembeh Strait, Indonesia.

Jacob Guy / Close up of Peacock mantis shrimp (Odontodactylus scyllarus) female holding eggs between legs and looking around whilst in burrow, Indonesia, Pacific Ocean.

Jacob Guy / Peacock mantis shrimp (Odontodactylus scyllarus) female oxygenating eggs by moving legs, Indonesia, Pacific Ocean.

Jacob Guy / Nudibranch (Glossodoris cincta) moving along seabed as Emperor shrimp (Periclimenes imperator) picks debris off sand whilst riding on it, Indonesia, Pacific Ocean.

Jacob Guy / Nudibranch (Glossodoris cincta) moving along seabed as Emperor shrimp (Periclimenes imperator) picks debris off sand whilst riding on it, Indonesia, Pacific Ocean.

Jacob Guy / Nudibranch (Glossodoris cincta) slithering along seabed as Emperor shrimp (Periclimenes imperator) walks over its back, Indonesia, Pacific Ocean.

Henley Spiers / Looking down on Pink anemonefish (Amphiprion perideraion) and a group of anemone cleaner shrimp at their home on a balled up anemone, Cebu, Philippines, Pacific Ocean.

Franco Banfi / Cold-water shrimp (Pandalus montagui) on the seabed, Trondheimfjord, Norway, North Atlantic Ocean.

Alex Mustard / Pink shrimp / Northern prawn (Pandalus montagui) on Orange dead man's fingers (Alcyonium digitatum), Farne Islands, Northumberland, UK, North Sea.

Alex Mustard / Feather star shrimp (Hippolyte prideauxiana) in a Red feather star (Antedon bifida). This observation greatly expands the known range of this rare species of shrimp in the UK, Eyemouth, Scotland, UK,...

Alex Mustard / Deep red Feather star shrimp (Hippolyte prideauxiana) crawling secretly amongst the arms of a Feather star (Antedon bifida), Loch Duich, Highands, Scotland, UK.

Magnus Lundgren / Pelagic prawn (Funchalia taaningi) hiding in a pink colony of Pyrosomes (Pyrosomatidae), free-floating colonial tunicates that usually live in the open warm ocean. Balayan Bay, off Anilao, Batangas, P...

Alex Mustard / Banded coral shrimp (Stenopus hispidus) shelters inside Pink vase sponge (Niphates digitalis), on a coral reef. Photographed through the narrow aperture of the sponge. Jardines de la Reina, Gardens of...

Pascal Kobeh / Pink / Aesop shrimp (Pandalus montagui) Russia. White Sea.