Category Archives: Reproductive Female

Sometimes The Missouri River Is A Lonely Place

Posted on April 4, 2013 by Hallie Ladd

In late February and March the Missouri River is a lonely place.  Comprehensive Sturgeon Research Project boats from the USGS and the Nebraska Game and Parks Commission search the cold, still waters for the telltale chirp of a telemetry transmitter … Continue reading →

Posted in Reproductive Female |

Where The Girls Are

Posted on November 20, 2012 by Hallie Ladd

October proved to be a busy and successful month for USGS Comprehensive Sturgeon Research Project biologists as four reproductive female pallid sturgeon were targeted and recaptured between river miles 359 and 599.  Using a portable ultrasound device, scientists were able … Continue reading →

Posted in Reproductive Female |

Pallid Sturgeon Spawning in the Yellowstone River

Posted on August 17, 2012 by Hallie Ladd

Pallid sturgeon in the upper Missouri and Yellowstone rivers can live a long time.  Many are older than most of the biologists who study them.  Over the years, scientists have become very familiar with the few remaining wild sturgeon. One … Continue reading →

Posted in Reproductive Female, Yellowstone River |

Did she or didn’t she?

Posted on July 20, 2011 by Emily Pherigo

When the spring spawning migration finally ends and the tagged female is recaptured, all is not over.  The question on everyone’s mind is, “Did she spawn, or didn’t she?” Using a portable ultrasound unit similar to those used in modern … Continue reading →

Posted in Recapture, Reproductive Female, Uncategorized | Tagged , , |