Caribbean, Blenny Fish Looking Out From Reef; Bonaire. (Photo by: Dave Fleetham/Design Pics Editorial/Universal Images Group via Getty Images)





A stingray is pictured among seagrasses in Kas district of Antalya on May 07, 2025. Posidonia oceanica meadows, seagrasses known as the “lungs of the Mediterranean”, face the threat of extinction. Listed as a protected species by the International Union for Conservation of Nature, these underwater habitats highlight the region's rich ecological and biological diversity. District of Kas, a popular destination for thousands of diving enthusiasts each year, is known for its scenic bays where blue waters meet lush greenery. (Photo by Tahsin Ceylan/Anadolu via Getty Images)





This photo provided by Brookfield Zoo Chicago, bottlenose dolphins “Allie” with “Tapeko” are joined by the newly born calf at the Brookfield Zoo Chicago on Saturday, June 7, 2025. (Photo by Brookfield Zoo Chicago via AP Photo)





A close view of a Mediterranean sea slug near La Herradura, Spain. (Photo by A. Martin UW Photography/Getty Images)





Volunteer divers in Dorset, UK in July 2025, are reporting a surge in the number of seahorses. After efforts to make conditions better for the elusive creatures in Studland Bay, sightings are greatly increasing. Over the last two decades, conservationists have worked hard to make conditions better for the seagrass – and thus the seahorses – including introducing almost 100 “eco moorings” that do not harm the habitat. (Photo by Neil Garrick-Maidment/The Seahorse Trust)





A sea turtle nibbles on what remains of the once vibrant reef at Havannah Harbour, off the coast of Efate Island, Vanuatu, on Sunday, July 20, 2025. (Photo by Annika Hammerschlag/AP Photo)





A lionfish (Pterois), a genus of venomous marine fish, is seen in Kas district, which has different ecological and biological richness under the sea, in Antalya, Turkiye, on May 25, 2025. Kas, a district of Antalya and one of Turkiye's top diving spots, welcomes thousands of diving enthusiasts every year with its coves where blue meets green. (Photo by Tahsin Ceylan/Anadolu via Getty Images)





Grey seals show their playful side while swimming off the English coast, UK in the last decade of May 2025. (Photo by Brian Matthews/Solent News)





Shark in the Ord River photographed from an overhead perspective, Kununurra, The Kimberley, Western Australia. (Photo by Abstract Aerial Art)





A Whitetip reef shark is seen near North Seymour Islet near Santa Cruz island, part of Galapagos archipelago on February 16, 2025. Located in Ecuadorone of South America's most fascinating countriesthe Galapagos National Park spans 13 main islands and numerous islets, captivating biologists, environmental scientists, and tourists with its rich ecology. (Photo by Ozge Elif Kizil/Anadolu via Getty Images)





Surfing, Bottlenose dolphin (Tursiops truncates), underwater, low angle view, Doolin, Clare, Ireland. (Photo by George Karbus Photography)





Spider crab, Aran Islands, Ireland. (Photo by George Karbus Photography/Getty Images/Image Source)





A lanternfish, illuminated by a remotely operated underwater vehicle in the background. (Photo by 3dsam79/iStockphoto/Getty Images)





A sea turtle rests on a coral reef near the Philippines. (Photo by Travel Trend/Getty Images/iStockphoto)





A person swims near a whale shark off the coast of St. Helena in the South Atlantic Ocean in February 2025. (Photo by Flora Tomlinson-Pilley/AP Photo)





A clownfish swims in a sea anemone in the Philippines. (Photo by Travel Trend/iStockphoto/Getty Images)





Common Octopus (octopus vulgaris), nocturnal marine life, active hunting its food during night, it is a benthic species, spend most its time on the seabed.this octopus sometimes swims specially when it preying or running away from its predator, it is also a popular seafood. (Photo by Subaqueosshutterbug/Getty Images/iStockphoto)





These amazing photos show sharks being fed by brave divers. Taken in Florida, USA, the sharks can be seen swooping in to grab the free meal. Ken Kiefer, from Florida, USA, took the photos while on a diving trip in July 2025. (Photo by Caters News Agency)





Leafy sea dragon under the jetty at Rapid Bay in South Australia. (Photo by Alastair Pollock Photography/Getty Images)