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  2. Shark anatomy - Wikipedia

    en.wikipedia.org/wiki/Shark_anatomy

    Shark Anatomy (50693674756) The gill slits of a whale shark flaring as it expels water from its pharyngeal cavity. In the shark anatomy image, it depicts the beginning half of the shark, including the gills. The shark gills are especially important and were evolved from the chordate pharyngeal gill slits synapomorphy.

  3. Bowhead whale - Wikipedia

    en.wikipedia.org/wiki/Bowhead_whale

    Bowhead whale. The bowhead whale ( Balaena mysticetus) is a species of baleen whale belonging to the family Balaenidae and is the only living representative of the genus Balaena. It is the only baleen whale endemic to the Arctic and subarctic waters, and is named after its characteristic massive triangular skull, which it uses to break through ...

  4. Cetacea - Wikipedia

    en.wikipedia.org/wiki/Cetacea

    Cetacea. Cetacea ( / sɪˈteɪʃə /; from Latin cetus ' whale ', from Ancient Greek κῆτος ( kêtos) ' huge fish, sea monster ') [3] is an infraorder of aquatic mammals belonging to the order Artiodactyla that includes whales, dolphins and porpoises. Key characteristics are their fully aquatic lifestyle, streamlined body shape, often ...

  5. Common thresher - Wikipedia

    en.wikipedia.org/wiki/Common_thresher

    Common thresher. The common thresher ( Alopias vulpinus ), also known as Atlantic thresher, is the largest species of thresher shark, family Alopiidae, reaching some 6 m (20 ft) in length. About half of its length consists of the elongated upper lobe of its caudal fin. With a streamlined body, short pointed snout, and modestly sized eyes, the ...

  6. Cetology of Moby-Dick - Wikipedia

    en.wikipedia.org/wiki/Cetology_of_Moby-Dick

    The cetology in Herman Melville 's 1851 novel, Moby-Dick, is a running theme that appears most importantly in Ishmael 's zoological classification of whales, in Chapter 32, "Cetology". The purpose of that chapter, the narrator says, is "to attend to a matter almost indispensable to a thorough appreciative understanding of the more special ...

  7. Cetus (mythology) - Wikipedia

    en.wikipedia.org/wiki/Cetus_(mythology)

    In Ancient Greek ketos ( κῆτος, plural kete/ketea, κήτη/κήτεα [1] ), Latinized as cetus (pl. ceti or cete = cetea [2] ), is any huge sea monster. [3] According to the mythology, Perseus slew a cetus to save Andromeda from being sacrificed to it. The term cetacean (for whale) derives from cetus. In Greek art, ceti were depicted as ...

  8. Sawfish - Wikipedia

    en.wikipedia.org/wiki/Sawfish

    Sawfish, also known as carpenter sharks, are a family of rays characterized by a long, narrow, flattened rostrum, or nose extension, lined with sharp transverse teeth, arranged in a way that resembles a saw. They are among the largest fish, with some species reaching lengths of about 7–7.6 m (23–25 ft). [ 2]

  9. Oceanic dolphin - Wikipedia

    en.wikipedia.org/wiki/Oceanic_dolphin

    Oceanic dolphins or Delphinidae are a widely distributed family of dolphins that live in the sea. Close to forty extant species are recognised. They include several big species whose common names contain "whale" rather than "dolphin", such as the Globicephalinae (round-headed whales, which include the false killer whale and pilot whale ).