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单词 port jackson shark
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Port Jackson shark
1. More fully Port Jackson shark. Any of several small bullhead sharks of the family Heterodontidae found in shallow south Australian waters; esp. Heterodontus portusjacksoni, which is light brown with black markings.
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the world > animals > fish > subclass Elasmobranchii > order Pleurotremata > [noun] > member of family Heterodontidae (Port Jackson shark)
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1789 A. Phillip Voy. Botany Bay 283 Port Jackson Shark... At first sight the above might be taken for the Prickly Hound-fish, or Squalus Spinax of Linnaeus.
1866 L. J. R. Agassiz Geol. Sketches 88 The so-called Port-Jackson Shark has features which were very characteristic of the Carboniferous Sharks and are lost in the modern ones.
1877 H. A. Nicholson Anc. Life-hist. Earth (1878) xi. 154 The more peacable ‘Port Jackson Sharks’, with their blunt teeth.
1932 National Geographic Mag. Sept. 369/2 There were sharks there in abundance—all sorts and sizes—..‘gummies’, ‘angels’, and ‘Port Jacksons’.
1988 Good Weekend (Sydney) 2 Apr. 45/1 Port Jackson sharks are found only in Australian waters and are one of our most interesting and unusual fish.
2013 S. A. Shepherd & G. J. Edgar Ecol. Austral. Temperate Reefs 251/1 The major predators of the black urchin are the eastern blue groper as well as smaller wrasses, the Port Jackson shark, rays, [etc.].
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