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cetacean    音标拼音: [sɪt'eʃən] [sit'eʃən]
a. 鲸类的,鲸鱼的
n. 鲸类动物,鲸鱼

鲸类的,鲸鱼的鲸类动物,鲸鱼

cetacean
adj 1: of or relating to whales and dolphins etc [synonym:
{cetacean}, {cetaceous}]
n 1: large aquatic carnivorous mammal with fin-like forelimbs no
hind limbs, including: whales; dolphins; porpoises;
narwhals [synonym: {cetacean}, {cetacean mammal}, {blower}]

Cetacean \Ce*ta"cean\, n. (Zool.)
One of the Cetacea.
[1913 Webster]


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  • Cetacean - Wikipedia
    Cetacean bodies are generally similar to those of fish, which can be attributed to their lifestyle and similar habitat conditions Their body is well-adapted to their habitat, although they share essential characteristics with other higher mammals (Eutheria) [19] Most notably, whales have a streamlined shape, and their forelimbs are flippers
  • Cetacean | Life Span, Evolution, Characteristics | Britannica
    Cetacean, any member of an entirely aquatic group of mammals commonly known as whales, dolphins, and porpoises Cetaceans are entirely carnivorous Their ancestors moved their limbs in a vertical plane, and thus cetaceans use vertical strokes when they swim, instead of horizontal strokes like a crocodile or fish
  • List of cetaceans - Wikipedia
    The following is a list of currently existing (or, in the jargon of taxonomy) ' extant ' species of the infraorder Cetacea (for extinct cetacean species, see the list of extinct cetaceans) The list is organized taxonomically into parvorders, superfamilies when applicable, families, subfamilies when applicable, genus, and then species In tabular form, seven descriptors are given for each
  • Cetacean - Examples, Characteristics, Lifespan, Habitat, Pictures
    The earliest cetacean is believed to be a species of Dorudon, an animal that lived at the same time as Basilosaurus It had similarities with present-day whales, including a fixed bulla and other auditory elements, while retaining the typical structure of flippers Their hind limbs were reduced in size but retained a vestigial pelvis connection
  • Cetacean - Marine Mammals, Aquatic Adaptations, Conservation | Britannica
    Cetacean - Marine Mammals, Aquatic Adaptations, Conservation: Cetaceans are carnivorous aquatic mammals distributed in all oceans and some river systems All are social to some extent, and many exhibit epimeletic behavior Play is a common behavior Many species are menaced by human activities Cetaceans sounds can be roughly divided into communication and echolocation signals
  • Cetaceans | The Marine Mammal Center
    Learn about the classifications and current status of whales, dolphins and porpoises, all part of Cetacean family
  • Scientists Discover the Worlds Largest, Deepest Whale Graveyard, Where . . .
    Scientists Discover the World’s Largest, Deepest Whale Graveyard, Where Cetacean Remains Have Been Piling Up for Five Million Years The massive necropolis, located deep in the southeastern
  • CETACEAN Definition Meaning - Merriam-Webster
    The meaning of CETACEAN is any of an order (Cetacea) of aquatic mostly marine mammals that includes the whales, dolphins, porpoises, and related forms and that have a torpedo-shaped nearly hairless body, paddle-shaped forelimbs but no hind limbs, one or two nares opening externally at the top of the head, and a horizontally flattened tail used for locomotion
  • What is a cetacean? - Whale Dolphin Conservation USA
    Cetacean is the collective noun used to describe all 90 species of whales, dolphins and porpoises The word cetacean has its origins in Latin (Cetus) referring to a large sea creature and Greek (Ketos) meaning whale or sea monster
  • Cetaceans Facts, Complete Guide To Whales, Dolphins Porpoises
    What Is A Cetacean? A cetacean is a member of the infraorder Cetacea – a group of marine mammals that includes whales, dolphins, and porpoises There are approximately 90 species of cetaceans, divided into two main groups, the parvorders Mysticeti (baleen whales) and Odontoceti (toothed whales)





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