The fin whale (Balaenoptera physalus), also known as finback whale or common rorqual and formerly known as herring whale or razorback whale, is a marine mammal belonging to the parvorder of baleen whales. It is the second-largest species on Earth after the blue whale.The fin whale's body is long and slender, coloured brownish-grey with a paler underside. The fin whale is a large baleen whale that belongs to the Cetacean order, which includes all species of whale, dolphin, and porpoise.
Balaena antiquorum, Balaena boops, Balaena physalis, Balaena physalus, Balaena quoyi, Balaena sulcata, Balaenoptera antarctica, Balaenoptera aragous, Balaenoptera australis, Balaenoptera blythii, Balaenoptera brasiliensis, Balaenoptera gibbar, Balaenoptera mediterraneensis, Balaenoptera mediterranensis, Balaenoptera patachonica, Balaenoptera patachonicus, Balaenoptera patagonica, Balaenoptera quoyii, Balaenoptera rorqual, Balaenoptera swinhoii, Balaenoptera tenuirostris, Balaenoptera velifera, Balaenopteris guibusdam, Benedenia knoxii, Dubertus rhodinsulensis, Physalis vulgaris, Physalus australis, Physalus brasiliensis, Physalus dugundii, Physalus fasciatus, Physalus patachonicus, Physalus verus, Pterobalaena communis, Rorqualus musculus, Sibbaldius tectirostris, Sibbaldius tuberosus, Swinhoia chinensis
The cause of the population reduction in Fin Whales (commercial whaling) that occurred in the 20th century is reversible, understood, and has been brought under control. For this reason, the species is assessed under IUCN Red List criterion A1, not under A2, A3, or A4. The current global population size is uncertain due to lack of data from major parts of the range, especially from mid-latitudes in the Southern Hemisphere. Therefore, rigorous evaluation against the criteria is not possible. However, plausible projections of the global mature population size indicate that it has probably recovered to over 30% of the level of three generations ago (1940) (i.e., reduction of
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