Franco Banfi / Diver exploring around an iceberg. Tasiilaq, East Greenland. April, 2018. Ocean Photographer of the Year 2023 - Third place Adventure category.

Barry Bland / Rex domestic rabbit.

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

Pete Oxford / Whale headed stork / Shoebill head portrait {Balaeniceps rex} Occurs Central Africa

Alex Mustard / Emperor shrimp (Zenopontonia rex) female rides on the back of a nudirbranch (Tambja morosa), while picking food from the seabed. Anilao, Batangas marine protected area, Luzon, Philippines. Verde Islan...

Alex Mustard / Pair of Emperor shrimp (Zenopontonia rex / Periclimenes imperator) female is the larger one, hitch a ride on a large nudibranch (Tambja luteolineata) and pick food from the seabed with their claws. Bi...

Eric Baccega / Shoebill stork (Balaeniceps rex) in the swamps of Mabamba, Lake Victoria, Uganda, February.

David Fleetham / Imperial commensal shrimp (Periclimenes imperator / Zenopontonia rex) on Spanish dancer nudibranch (Hexabranchus sanguineus) at night. Philippines.

David Fleetham / Imperial shrimp (Periclimenes imperator / Zenopontonia rex), two on Sea cucumber (Holothuroidea). Wakaya, Fiji.

Hiroya Minakuchi / Shoebill (Balaeniceps rex), native to Africa

Cyril Ruoso / Minden / Shoebill (Balaeniceps rex) biologist, Elijah Mofya, measuring two month old chick, Bangweulu Wetlands, Zambia

Cyril Ruoso / Bush fire, with bird of prey flying in distance, this is a major threat for Shoebill (Balaeniceps rex) during the nesting season. Bengweulu Swamp, Zambia

Cyril Ruoso / Shoebill (Balaeniceps rex) conservationist in boat travelling through swamp looking for shoebill. Bengweulu Swamp, Zambia