Latest Science

Using a combination of electronic tags and video monitoring, we found that a fish passage structure on the Raritan River, New Jersey, works moderately well for the large-bodied American Shad but passes only a small fraction of the smaller-bodied river herring.

Identifying ranges of habitat factors influencing stream-rearing Chinook Salmon can help increase population productivity and restoration success.

New special section in the North American Journal of Fisheries Management: A symposium at the 2023 American Fisheries Society meeting highlighted collaborations among biologists, policymakers, and Native American tribes addressing conservation for native lampreys. Native lampreys provide ecosystem services that benefit a range of aquatic organisms and are essential to Native American tribes for nutritional, medicinal, and ceremonial purposes. The papers in this collection present key findings, related research, and an example of grassroots effort to protect and restore Pacific Lamprey. 

The Big Hole River, Montana, contains the only remaining native population of Arctic Grayling in the lower 48 states. This laboratory study shows that higher average water temperatures that accompany climate change and other environmental perturbations will adversely affect the stress and future survival of this population.