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The Adelita tracking project provided the first proof of the trans-Pacific migration of loggerhead sea turtles. [6] [7] Adelita was also the first animal to swim across an ocean while being tracked by a satellite. [8] [9] The 9,000 mile journey of Adelita from Mexico to Japan was featured in the PBS Nature documentary Voyage of the Lonely ...
Marine life, sea life or ocean life is the collective ecological communities that encompass all aquatic animals, plants, algae, fungi, protists, single-celled microorganisms and associated viruses living in the saline water of marine habitats, either the sea water of marginal seas and oceans, or the brackish water of coastal wetlands, lagoons ...
The 1979 Convention on the Conservation of Migratory Species of Wild Animals (CMS) is the only global organization that conserves a broad range of animals, which includes marine mammals. [ 126 ] [ 127 ] Of the agreements made, three of them deal with the conservation of marine mammals: ACCOBAMS , ASCOBANS and the Wadden Sea Agreement . [ 128 ]
Sea turtles are the first biofluorescent reptile found in the wild. According to Gruber and Sparks (2015), fluorescence is observed in an increasing number of marine creatures ( cnidarians , ctenophores , annelids , arthropods , and chordates ) and is now also considered to be widespread in cartilaginous and ray-finned fishes.
The dugong (/ ˈ d (j) uː ɡ ɒ ŋ /; Dugong dugon) is a marine mammal.It is one of four living species of the order Sirenia, which also includes three species of manatees.It is the only living representative of the once-diverse family Dugongidae; its closest modern relative, Steller's sea cow (Hydrodamalis gigas), was hunted to extinction in the 18th century.
Individual captive animals have been recorded at depths between 400 and 647 m below sea level, [74] while animals in the wild have been recorded as diving to a depth of more than 700 m, with the greatest recorded depth being over 900 m. [75] A dive normally lasts 3 to 5 minutes, but can last up to over 20 minutes.
Sharks are found in all seas. They generally do not live in fresh water, with a few exceptions such as the bull shark and the river shark which can swim both in seawater and freshwater. [99] Sharks are common down to depths of 2,000 metres (7,000 ft), and some live even deeper, but they are almost entirely absent below 3,000 metres (10,000 ft).
Blue whale whaling peaked between 1930 and 1931 with 30,000 animals taken. Harvesting of the species was particularly high in the Antarctic, with 350,000–360,000 whales taken in the first half of the 20th century. In addition, 11,000 North Atlantic whales (mostly around Iceland) and 9,500 North Pacific whales were killed during the same ...