Tag Archives: Larvae

Which came first, the sturgeon or the egg?

While the Comprehensive Sturgeon Research Project (CSRP) at the USGS Columbia Environmental Research Center (CERC) is focused on pallid sturgeon (Scaphirhynchus albus) and the closely-related shovelnose sturgeon (S. platorynchus), the CERC also conducts behavioral, physiological and toxicological research on other … Continue reading

Posted in Early life history, Sturgeon culture and propagation | Tagged , |

Day old sturgeon caught in Lower Missouri River

Biologists sampled a suspected pallid sturgeon spawning site approximately 4 miles up the James River from its confluence with the Missouri River in South Dakota on May 12 and 13.  Two days of sampling resulted in the collection of 84 larval paddlefish, … Continue reading

Posted in Early life history | Tagged , , |

Searching for a needle in a haystack

Female pallid sturgeon with eggs are very rare on the Lower Missouri River.  When one spawns she will release as few as 8,000 to 20,000 eggs over a 12 to 36 hour period.  Those eggs are released in swift water … Continue reading

Posted in Early life history | Tagged , |