Jason Guignard

Field Director & Fisheries Biologist at Fish Bio

Jason Guignard is a fisheries biologist with 18 years of salmonid research, monitoring, and restoration experience. He has supervised and implemented a variety of fish population and passage research projects in Central Valley watersheds, and is experienced in all aspects of field sampling and data analysis. Jason’s experience includes electrofishing, seining, trawling, rotary screw trap monitoring, spawning surveys, mark-recapture studies, acoustic telemetry, and DIDSON/ARIS operation. He has also collaboratively planned and implemented multiple floodplain enhancement and restoration projects.

Jason has served as project lead for several fish monitoring and rescue operations in the Sacramento and San Joaquin basins, and is the project manager for FISHBIO’s long-term monitoring efforts on the Tuolumne River. Jason has authored or co-authored multiple technical reports on adult salmon spawning surveys, juvenile outmigration monitoring, smolt survival estimates, and water temperature requirements for Chinook salmon and steelhead. Prior to joining the private sector, Jason was a California Department of Fish and Game Associate Biologist with experience collecting and analyzing fisheries monitoring data on multiple life stages of Central Valley salmonids.