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Balaenoptera sibbaldii Sars 1875. The blue whale (Balaenoptera musculus) is a marine mammal and a baleen whale. Reaching a maximum confirmed length of 29.9 m (98 ft) and weighing up to 199 t (196 long tons; 219 short tons), it is the largest animal known ever to have existed. [ a ] The blue whale's long and slender body can be of various shades ...
Cephalus pallasianus Shaw, 1804. The ocean sunfish or common mola (Mola mola) is one of the largest bony fish in the world. It is the type species of the genus Mola, and one of five extant species in the family Molidae. [6][7] It was once misidentified as the heaviest bony fish, which was actually a different and closely related species of ...
Megalodon. Otodus megalodon (/ ˈmɛɡələdɒn / MEG-əl-ə-don; meaning "big tooth"), commonly known as megalodon, is an extinct species of giant mackerel shark that lived approximately 23 to 3.6 million years ago (Mya), from the Early Miocene to the Pliocene epochs.
The blue whale, considered the largest animal ever on the planet, can reach about 100 feet (30 meters) long. Marine reptiles ruled the world's oceans when dinosaurs dominated the land.
Its baleen is the longest of that of any whale, at 3 m (10 ft), and is used to strain tiny prey from the water. The bowhead whale has paired blowholes at the highest point of the head, which can spout a blow 6.1 m (20 ft 0 in) high. The bowhead's blubber is the thickest of any animal's, with a maximum of 43–50 cm (17– 19 + 1 ⁄ 2 in). [17]
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.
The fin whale (Balaenoptera physalus), also known as the finback whale or common rorqual, is a species of baleen whale and the second-longest cetacean after the blue whale. The biggest individual reportedly measured 26 m (85 ft) in length, with a maximum recorded weight of 77 to 81 tonnes. The fin whale's body is long, slender and brownish-gray ...
Psarolepis. Achoania. Actinopterygii (ray-finned fish) Sarcopterygii (lobe-finned fish, including tetrapods) Osteichthyes (/ ˌɒstiːˈɪkθi.iːz /), also known as osteichthyans or commonly referred to as the bony fish, is a diverse superclass of vertebrate animals that have endoskeletons primarily composed of bone tissue.