Rhinobatos
Encyclopedia
Rhinobatos is a genus of fish
Fish
Fish are a paraphyletic group of organisms that consist of all gill-bearing aquatic vertebrate animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish, as well as various extinct related groups...

 in the Rhinobatidae family.
It contains the following species:
  • Rhinobatos albomaculatus Norman, 1930 (White-spotted guitarfish)
  • Rhinobatos annandalei Norman, 1926 (Annandale's guitarfish)
  • Rhinobatos annulatus J. P. Müller
    Johannes Peter Müller
    Johannes Peter Müller , was a German physiologist, comparative anatomist, and ichthyologist not only known for his discoveries but also for his ability to synthesize knowledge.-Early years and education:...

     & Henle
    Friedrich Gustav Jakob Henle
    Friedrich Gustav Jakob Henle was a German physician, pathologist and anatomist. He is credited with the discovery of the loop of Henle in the kidney. His essay "On Miasma and Contagia" was an early argument for the germ theory of disease...

    , 1841
    (Lesser sandshark)
  • Rhinobatos blochii J. P. Müller
    Johannes Peter Müller
    Johannes Peter Müller , was a German physiologist, comparative anatomist, and ichthyologist not only known for his discoveries but also for his ability to synthesize knowledge.-Early years and education:...

     & Henle
    Friedrich Gustav Jakob Henle
    Friedrich Gustav Jakob Henle was a German physician, pathologist and anatomist. He is credited with the discovery of the loop of Henle in the kidney. His essay "On Miasma and Contagia" was an early argument for the germ theory of disease...

    , 1841
    (Bluntnose guitarfish)
  • Rhinobatos cemiculus É. Geoffroy Saint-Hilaire
    Étienne Geoffroy Saint-Hilaire
    Étienne Geoffroy Saint-Hilaire was a French naturalist who established the principle of "unity of composition". He was a colleague of Jean-Baptiste Lamarck and expanded and defended Lamarck's evolutionary theories...

    , 1817
    (Blackchin guitarfish)
  • Rhinobatos formosensis Norman, 1926 (Taiwan guitarfish)
  • Rhinobatos glaucostigma D. S. Jordan
    David Starr Jordan
    David Starr Jordan, Ph.D., LL.D. was a leading eugenicist, ichthyologist, educator and peace activist. He was president of Indiana University and Stanford University.-Early life and education:...

     & C. H. Gilbert
    Charles Henry Gilbert
    Charles Henry Gilbert was a pioneer ichthyologist and fishery biologist of particular significance to natural history of the western United States. He collected and studied fishes from Central America north to Alaska and described many new species...

    , 1883
    (Speckled guitarfish)
  • Rhinobatos holcorhynchus Norman, 1922 (Slender guitarfish)
  • Rhinobatos horkelii J. P. Müller
    Johannes Peter Müller
    Johannes Peter Müller , was a German physiologist, comparative anatomist, and ichthyologist not only known for his discoveries but also for his ability to synthesize knowledge.-Early years and education:...

     & Henle
    Friedrich Gustav Jakob Henle
    Friedrich Gustav Jakob Henle was a German physician, pathologist and anatomist. He is credited with the discovery of the loop of Henle in the kidney. His essay "On Miasma and Contagia" was an early argument for the germ theory of disease...

    , 1841
    (Brazilian guitarfish)
  • Rhinobatos hynnicephalus J. Richardson
    John Richardson (naturalist)
    Sir John Richardson was a Scottish naval surgeon, naturalist and arctic explorer.Richardson was born at Dumfries. He studied medicine at Edinburgh University, and became a surgeon in the navy in 1807. He traveled with John Franklin in search of the Northwest Passage on the Coppermine Expedition of...

    , 1846
    (Ringstreaked guitarfish)
  • Rhinobatos irvinei Norman, 1931 (Spineback guitarfish)
  • Rhinobatos jimbaranensis Last, W. T. White & Fahmi, 2006 (Jimbaran shovelnose ray)
  • Rhinobatos lentiginosus Garman, 1880 (Atlantic guitarfish)
  • Rhinobatos leucorhynchus Günther, 1867 (Whitesnout guitarfish)
  • Rhinobatos leucospilus Norman, 1926 (Grayspottted guitarfish)
  • Rhinobatos lionotus Norman, 1926 (Smoothback guitarfish)
  • Rhinobatos microphthalmus Teng, 1959 (Smalleyed guitarfish)
  • Rhinobatos nudidorsalis Last, Compagno & Nakaya, 2004 (Bareback shovelnose ray)
  • Rhinobatos obtusus J. P. Müller
    Johannes Peter Müller
    Johannes Peter Müller , was a German physiologist, comparative anatomist, and ichthyologist not only known for his discoveries but also for his ability to synthesize knowledge.-Early years and education:...

     & Henle
    Friedrich Gustav Jakob Henle
    Friedrich Gustav Jakob Henle was a German physician, pathologist and anatomist. He is credited with the discovery of the loop of Henle in the kidney. His essay "On Miasma and Contagia" was an early argument for the germ theory of disease...

    , 1841
    (Widenose guitarfish)
  • Rhinobatos ocellatus Norman, 1926 (Speckled guitarfish)
  • Rhinobatos penggali Last, W. T. White & Fahmi, 2006 (Indonesian shovelnose ray)
  • Rhinobatos percellens (Walbaum
    Johann Julius Walbaum
    Johann Julius Walbaum was a physician, naturalist and taxonomist. He was the first to describe many previously unknown species from remote parts of the globe, such as the Great Barracuda , the Chum salmon from the Kamchatka River in Siberia, and the curimatá-pacú Johann Julius Walbaum (30 June...

    , 1792)
    (Chola guitarfish)
  • Rhinobatos petiti Chabanaud, 1929 (Madagascar guitarfish)
  • Rhinobatos planiceps Garman, 1880 (Pacific guitarfish)
  • Rhinobatos prahli Acero P & Franke, 1995 (Gorgona guitarfish)
  • Rhinobatos productus Ayres
    William Orville Ayres
    William Orville Ayres was an American physician and ichthyologist. Born in Connecticut, he studied to become a doctor at Yale University School of Medicine....

    , 1854
    (Shovelnose guitarfish)
  • Rhinobatos punctifer Compagno & Randall, 1987 (Spotted guitarfish)
  • Rhinobatos rhinobatos (Linnaeus
    Carolus Linnaeus
    Carl Linnaeus , also known after his ennoblement as , was a Swedish botanist, physician, and zoologist, who laid the foundations for the modern scheme of binomial nomenclature. He is known as the father of modern taxonomy, and is also considered one of the fathers of modern ecology...

    , 1758)
    (Common guitarfish)
  • Rhinobatos sainsburyi Last, 2004 (Goldeneye shovelnose ray)
  • Rhinobatos salalah Randall & Compagno, 1995 (Salalah guitarfish)
  • Rhinobatos schlegelii J. P. Müller
    Johannes Peter Müller
    Johannes Peter Müller , was a German physiologist, comparative anatomist, and ichthyologist not only known for his discoveries but also for his ability to synthesize knowledge.-Early years and education:...

     & Henle
    Friedrich Gustav Jakob Henle
    Friedrich Gustav Jakob Henle was a German physician, pathologist and anatomist. He is credited with the discovery of the loop of Henle in the kidney. His essay "On Miasma and Contagia" was an early argument for the germ theory of disease...

    , 1841
    (Brown guitarfish)
  • Rhinobatos spinosus Günther, 1870 (Spiny guitarfish)
  • Rhinobatos thouin (Anonymous, referred to Lacépède, 1798) (Clubnose guitarfish)
  • Rhinobatos thouiniana (G. Shaw
    George Shaw
    George Shaw was an English botanist and zoologist.Shaw was born at Bierton, Buckinghamshire and was educated at Magdalen Hall, Oxford, receiving his M.A. in 1772. He took up the profession of medical practitioner. In 1786 he became the assistant lecturer in botany at Oxford University...

    , 1804)
    (Shaw's shovelnose guitarfish)
  • Rhinobatos variegatus Nair & Lal Mohan, 1973 (Stripenose guitarfish)
  • Rhinobatos zanzibarensis Norman, 1926 (Zanzibar guitarfish)


Guitarfish catch their prey using a suction technique. The relative sequence of muscle activity is shared across the Rhinobatos genus, but varies with timing and duration of muscular activation.
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