petromyzon meaning in Hindi

Examples

1. Sea lampreys ( " Petromyzon marinus " ) have been seen attached near the cloaca of this shark.
2. These include Coregonus oxyrinchus, Coregonus lavaretus, Alosa alosa, Acipenser sturio, Petromyzon marinus, Salmo salar, Alosa fallax, Salmo trutta trutta
3. In 1860, Ernst Reissner, anatomist at the University of Dorpat, published a monograph on the microscopic structure of the spinal cord of " Petromyzon fluviatilis ".
4. In 1921 sea lamprey or Lamprey Eel ( " Petromyzon marinus " ) invaded the Great Lakes through the Welland Canal, though, significantly reducing the numbers of lake trout and whitefish.
5. The silver lamprey should not to be confused with the sea lamprey ( " Petromyzon marinus " ), which has caused considerable damage to native fish populations in the Great Lakes region.
6. Thus, in 1980, the spelling with a " t " won out, and in 1981, it became official that all higher-level taxa based on " Petromyzon " have to start with " Petromyzont-".
7. They are also of special interest for sea lamprey Petromyzon marinus; for the range of river habitats including beds of submerged aquatic plants often dominated by water-crowfoot Ranunculus spp ., as well as a variety of associated riverside habitats ."
8. Scientists believe the biggest threat, sea lampreys ( Petromyzon marinus ), first reached the western lakes as early as the 1920s by way of the Welland Canal, which connects the Erie Canal _ and beyond it the Hudson River _ with Lake Erie.
9. The reduced abundance is believed to result from the cumulative effects of several factors, including the expansion of non-native species such as alewife, rainbow smelt ( " Osmerus mordax " ) and sea lamprey ( " Petromyzon marinus " ).
10. Lampreys live mostly in coastal and fresh waters, although some species ( e . g . " Geotria australis ", " Petromyzon marinus ", and " Entosphenus tridentatus " ) travel significant distances in the open ocean, as evidenced by their lack of reproductive isolation between populations.