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Taken after a volcanic eruption in the Philippines, it shows a paper nautilus drifting on a piece of ocean debris at night, surrounded by heavy sediment. Image Courtesy: Jialing Cai/Ocean Photographer of the Year 2023
A crab sits in the centre of a sea anemone as it sways in ocean current, off the coast off the coast of the Philippines. Image Courtesy: Andrei Savin/Ocean Photographer of the Year 2023
A freediver gazes up at the intricate ice patterns below the surface of a frozen lake in Canada. Image Courtesy: James Ferrara/Ocean Photographer of the Year 2023
This stunning shot taken in The Philippines shows a lizardfish’s open mouth, revealing its last meal. Image Courtesy: Jack Pokoj/Ocean Photographer of the Year 2023
Two pale octopuses sit on a pipe that forms part of an artificial reef built to attract octopuses and other marine life to the area in Australia. Image Courtesy: Jules Casey/Ocean Photographer of the Year 2023
A curious group of Steller sea lions circle the photographer in this image taken in Canada. Image Courtesy: Celia Kujala/Ocean Photographer of the Year 2023
In Norway, a polar bear cub contends with the fragility of melting ice. Image Courtesy: Florian Ledoux/Ocean Photographer of the Year 2023
Off Alor, local children play in the water with their homemade wooden goggles held together by fishing line. Image Courtesy: Peter Marshall/Ocean Photographer of the Year 2023
This devastating shot shows an injured whale swimming towards the ocean's surface off the coast of Mexico. A part of its tail has been severely damaged from repeated entanglement. Image Courtesy: Alvaro Lopez/Ocean Photographer of the Year 2023
Fish take refuge under a turtle in Costa Rican waters. Image Courtesy: Merche Llobera/Ocean Photographer of the Year 2023
A bodyboarder paddles out to sea in Western Australia. The storm clouds blocked the sun, creating an 'electric blue colour effect on the wave'. Image Courtesy: Jarvis Smallman/Ocean Photographer of the Year 2023
A giant manta ray entangled in ghost nets (abandoned fishing nets) - leading to large wounds - off the coast of Thailand. Image Courtesy: Sirachai Arunrugstichai/Ocean Photographer of the Year 2023