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

Jean E. Roche / Freshwater Shrimp (Atyaephyra desmaresti), Camargue, France. October.

Franco Banfi / Two Ambonian / Squat shrimps (Thor amboinensis) on coral, Lighthouse Reef, Cabilao Island, Bohol, Central Visayas, Philippines, Pacific Ocean.

Bert Willaert / Marbled shrimp (Saron cf. marmoratus) moulting. Bismarck Sea, Vitu Islands, West New Britain, Papua New Guinea

Solvin Zankl / Shrimp (Hippolyte coerulescens), Hydroids (Aglaophenia latecarinata) and Sargasso barnacles (Lepas pectinata) on Broad-toothed gulfweed (Sargassum fluitans) Sargasso Sea, Bermuda

Joel Sartore / Photo Ark / Marbled shrimp (Saron marmoratus) portrait, The National Aquarium, Abu Dhab. Captive, occurs in Indo-Pacific Ocean.

David Fleetham / Marbled shrimp (Saron marmoratus) male resting on coral, Hawaii, Pacific Ocean.

David Fleetham / Marbled shrimp (Saron marmoratus) female resting on coral, Hawaii, Pacific Ocean.

Georgette Douwma / Composite image of marine invertebrates on black background. Top row from left: Tube anemone (Ceriantharia), Yellow sea cucumber (Colochirus robustus), Nudibranch (Nembrotha lineolata), Squat shri...

Franco Banfi / Feather star shrimp (Hippolyte prideauxiana) on a Common feather star (Antedon bifida), Marine Protected area Punta Campanella, Costa Amalfitana, Italy, Tyrrhenian 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.

David Fleetham / Seven tiny Squat shrimp (Thor amboinensis) on a Malu anemone (Heteractis malu), Hawaii.

Shane Gross / Kelp humpback shrimp (Hippolyte clarki) on eelgrass (Zostera marina) off Vancouver Island, British Columbia, Canada

Magnus Lundgren / Sexy shrimp / squat shrimp (Thor amboinensis) Balayan Bay, Batangas, the Philippines.

Sergio Hanquet / Featherstar shrimp (Hippolyte prideauxiana) Tenerife, Canary Islands.

Sergio Hanquet / Featherstar shrimp (Hippolyte prideauxiana) Tenerife, Canary Islands.

Sergio Hanquet / Shrimp (Hippolyte inermis) living on Little neptune grass (Cymodocea nodosa) Tenerife, Canary Islands.

Shane Gross / Marbled shrimp (Saron marmoratus) on coral at night, Kimbe Bay, Papua New Guinea.

Shane Gross / Xenia shrimp (Hippolyte commensalis) perfectly camouflaged on its Xenia soft coral host. Kimbe Bay, Papua New Guinea

Shane Gross / Marbled Shrimp (Saron marmoratus) portrait at night, Kimbe Bay, Papua New Guinea.