Triplophysa Sewerzowi
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Triplophysa Sewerzowi
''Triplophysa sewerzowi'', or Severtsov's loach, is a species of ray-finned fish in the genus ''Triplophysa ''Triplophysa'' is a genus of fish in the family Nemacheilidae found mainly in and around the Qinghai-Tibet Plateau in China, as well as inland waters of the larger part of central Asia. They can be distinguished from other genera of Nemacheilid ...''. References * sewerzowi Fish described in 1938 {{Nemacheilidae-stub ...
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Georgii Vasil'evich Nikolskii
Georgii may refer to: ;Given name *Georgii Zantaraia (born 1987), Ukrainian judoka of Georgian origin *Georgii Karpechenko (1899–1941) Russian and Soviet biologist * Georgii Frederiks (1889–1938), Russian geologist * Georgii Zeliony (1878–1951), Russian physiologist *Georgii Stackelberg (1851–1913), cavalry general in the Imperial Russian Army *Georgii Nadson (1867–1939), Soviet biologist * Georgii Cherkin (born 1977), Bulgarian pianist *Georgii Yurii Pfeiffer (1872–1946) Ukrainian and Soviet mathematician *Georgii Stenberg (1900–1933) Soviet artist and designer; see Stenberg brothers * Georgii Merkulov (born 2000), Russian ice hockey player ;Other *'' Psalterium Georgii'', constellation created by Maximilian Hell in 1789 *''Magnolia georgii'', species of plant in the family Magnoliaceae *''Rhacophorus georgii'', species of frog in the family Rhacophoridae *''Tetrapturus georgii'', see Roundscale spearfish * Russian battleship ''Georgii P ...
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Ray-finned Fish
Actinopterygii (; ), members of which are known as ray-finned fish or actinopterygians, is a class of bony fish that comprise over 50% of living vertebrate species. They are so called because of their lightly built fins made of webbings of skin supported by radially extended thin bony spines called '' lepidotrichia'', as opposed to the bulkier, fleshy lobed fins of the sister clade Sarcopterygii (lobe-finned fish). Resembling folding fans, the actinopterygian fins can easily change shape and wetted area, providing superior thrust-to-weight ratios per movement compared to sarcopterygian and chondrichthyian fins. The fin rays attach directly to the proximal or basal skeletal elements, the radials, which represent the articulation between these fins and the internal skeleton (e.g., pelvic and pectoral girdles). The vast majority of actinopterygians are teleosts. By species count, they dominate the subphylum Vertebrata, and constitute nearly 99% of the over 30,000 extant ...
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Triplophysa
''Triplophysa'' is a genus of fish in the family Nemacheilidae found mainly in and around the Qinghai-Tibet Plateau in China, as well as inland waters of the larger part of central Asia. They can be distinguished from other genera of Nemacheilidae by marked sexual dimorphism, including the development of nuptial tubercles on breeding males. Currently, the genus is a mixed assemblage of species. Some lineages have been identified and treated as subgenera ('' Hedinichthys'', '' Indotriplophysa'', '' Labiatophysa'', '' Qinghaichthys'' and '' Tarimichthys''), but as Wikipedia follows Fishbase for fish species all but ''Hedinichthys'' have been treated as subgenera in Wikipedia, although Kottelat in his revision of the loaches did recognise them as valid. FishBase, however, includes these in ''Triplophysa'' without specifying subgenera and treats the names given by Kottelat as synonyms. Ecology '' Triplophysa zhaoi'' holds the record for the lowest altitude for Asian fish: it is fou ...
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