Alex Mustard / Reef lizardifsh (Synodus variegatus) at a cleaning station, being cleaned by Holthuis anemone shrimps (Ancylomenes holthuisi). Bitung, North Sulawesi, Indonesia. Lembeh Strait, Molucca Sea.

David Fleetham / Crinoid shrimp (Periclimenes amboinensis) on matching Feather star (Comanthus bennetti) Philippines.

David Fleetham / Bubble coral shrimp (Vir philippinensis) on Bubble coral (Plerogyra sp), Philippines.

David Fleetham / Porcelain crab (Porcellanella picta) hiding between the blades of the Seapen (Pteroeides sp). Komodo, Indonesia.

Jan Hamrsky / Brine shrimp or monkey shrimp (Artemia salina) female. Controlled conditions.

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

Solvin Zankl / Fairy Shrimp (Eubranchipus grubii) eggs Digital focus stacking image

David Shale / Male and Female glass shrimps on Glass sponge (Hexactinellida) from coral seamount, SW Indian Ridge, Indian Ocean, December 2011

Alex Mustard / Pederson cleaner shrimp (Periclimenes pedersoni) cleaning the eye of a Nassau grouper (Epinephelus striatus), Bloody Bay Wall, Little Cayman, Cayman Islands. British West Indies, Caribbean Sea.

David Shale / Deepsea Orange ghost lobster (Decopoda, Thalassinidae) from coral seamount in the Indian Ocean, December 2011

Alex Mustard / 2020VISION / Pair of Skeleton shrimps (Caprella linearis) male on left, living on lightbulb tunicates. Bard Cave, Bressay, Shetland Islands, Scotland, UK, June