Richardsonius
Encyclopedia
Richardsonius is a genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of cyprinid
Cyprinid
The family Cyprinidae, from the Ancient Greek kyprînos , consists of the carps, the true minnows, and their relatives . Commonly called the carp family or the minnow family, its members are also known as cyprinids...

 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...

 consisting of two species native to western North America
North America
North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...

. Commonly known as redside shiner
Shiner (fish)
Shiner is a common name used for any of several kinds of small, usually silvery fish, in particular a number of cyprinids, but also e.g. the Shiner Perch .Cyprinid shiners are:* Eastern shiners, genus Notropis...

s
, that term is also used to refer to Richardsonius balteatus
Richardsonius balteatus
Richardsonius balteatus, the Redside shiner, is a species of cyprinid fish found in the western United States and Canada....

specifically.
The genus is named after naturalist Sir John 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...

 (1787–1865), who described R. balteatus in 1836.

Species

  • Richardsonius balteatus
    Richardsonius balteatus
    Richardsonius balteatus, the Redside shiner, is a species of cyprinid fish found in the western United States and Canada....

    (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...

    , 1836)
    (Redside shiner)
  • Richardsonius egregius (Girard
    Charles Frédéric Girard
    Charles Frédéric Girard was a French biologist specializing in ichthyology and herpetology.Born in Mulhouse, France, he studied at the College of Neuchâtel, Switzerland as a student of Louis Agassiz. In 1847, he accompanied Agassiz as his assistant to Harvard...

    , 1858)
    (Lahontan redside)
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK