Videos

This is a video of a juvenile sucker in Upper Klamath Lake, OR. Through decades of research, scientists at the USGS Western Fisheries Research Center have determined that over the last 30 years something has prevented young suckers from reaching adulthood. Scientists work tirelessly to find the cause of this break in recruitment into adulthood.

This is a video of fieldwork in Upper Klamath Lake, OR. Here, biologists sample for juvenile suckers, an endangered fish species in the lake.

This is a video with Melanie Prentice and Grace Crandall on solving the mystery behind Sea Star Wasting Disease.

Fish health monitoring efforts in Upper Klamath Lake have revealed a high prevalence of warm water pathogens. The USGS Western Fisheries Research Center (WFRC) fish health team is investigating parasites as a potential threat to the vulnerable sucker populations.

Explore the underwater world of Skagit Bay eelgrass meadows with this short video that shows off several fish species in their native environment. Observe the elegant Pacific Herring school gliding across the water, followed by the unusual Snake Prickleback.

Juvenile Coho salmon (Oncorhynchus kisutch) exhibiting abnormal behaviors associated with exposure to 6PPD-quinone, a derivative of the compound 6PPD which is used in tires to prevent wear.

Permanent Control Site: GP1 East Transect; Depth: 6.7 m (22.1 feet); Distance from river mouth: 19.0 Kilometers (11.8 miles) east; Pre/Post Dam Removal: 6 years post-dam removal; Lat/Long: 48.11852521,-123.31538047; Site Description: This site was established as the eastern control. Depth is medium-shallow.

Permanent Control Site: GP1 West Transect; Depth: 8.0 m (26.2 feet); Distance from river mouth: 19.0 Kilometers (11.8 Miles) east; Pre/Post Dam Removal: 6 years post-dam removal; Lat/Long: 48.11852521,-123.31605203; Site Description: This site was established as the eastern control. Depth is medium-shallow.

Permanent Site: F1 West Transect; Depth: 6.7 Meters (22.0 Feet); Distance from river mouth: 1.3 Kilometers (0.8 Miles) east; Pre/Post Dam Removal: 6 years post-dam removal; Lat/Long: 48.15292999, -123.55078602; Site Description: This is a shallow site. Substrate remains predominantly sand. Larger brown seaweeds were present.

Permanent Site: F2 East Transect; Depth: 11.2 Meters (36.9 Feet); Distance from river mouth: 1.5 Kilometers (0.9 Miles) east; Pre/Post Dam Removal: 6 years post-dam removal; Lat/Long: 48.15672004,-123.54969397; Site Description: Substrate is mainly a gravel/cobble mixture with an occasional boulder. Seven species of brown seaweed were present.

Permanent Site: F1 East Transect; Depth: 6.6 Meters (21.5 Feet); Distance from river mouth: 1.3 Kilometers (0.8 Miles) east; Pre/Post Dam Removal: 6 years post-dam removal; Lat/Long: 48.15292999, -123.55011402; Site Description: This is a shallow site.

Permanent Site: J1 East Transect; Depth: 9.1 Meters (29.8 Feet); Distance from river mouth: 6.7 Kilometers (4.1 Miles) east; Pre/Post Dam Removal: 6 years post-dam removal; Lat/Long: 48.13607725,-123.47935008; Site Description: This site is medium depth. Substrate is mainly a gravel/sand mixture. Visibility was poor this day.

Permanent Site: J1 West Transect; Depth: 9.2 Meters (30.2 Feet); Distance from river mouth: 6.6 Kilometers (4.1 Miles) east; Pre/Post Dam Removal: 6 years post-dam removal; Lat/Long: 48.13607725,-123.48002186; Site Description: This site is medium depth. Substrate is mainly a gravel/sand mixture. Visibility was poor this day.

Permanent Site: 4SP1 - East Transect; Depth: 5.5 Meters (18.1 Feet); Distance from river mouth: 0.8 Kilometers (0.5 Miles) East; Pre/Post Dam Removal: 6 years post-dam removal; Lat/Long: 48.15257, -123.556704; Site Description: The site has converted from gravel/cobble substrate to all sand. Since 2013, seaweed has been completely absent.

Permanent Site: 4SP1 - West Transect; Depth: 6.2 Meters (20.2 Feet); Distance from river mouth: 0.8 Kilometers (0.5 Miles) East; Pre/Post Dam Removal: 6 years post-dam removal; Lat/Long: 48.15257, -123.557376; Site Description: This site has converted from gravel/cobble substrate to all sand. Since 2013, seaweed has been completely absent.

Permanent Site: C2 West Transect; Depth: 15.3 Meters (50.3 Feet); Distance from river mouth: 0.7 Kilometers (0.5 Miles); Pre/Post Dam Removal: 6 years post-dam removal; Lat/Long: 48.147841,-123.57663268; Site Description: One of our deepest sites. Substrate is all muddy sand. Seaweed is absent. Woody debris is present (1:18 seconds).

Permanent Site: C2 East Transect; Depth: 15.1 Meters (49.7 Feet); Distance from river mouth: 0.7 Kilometers (0.4 Miles); Pre/Post Dam Removal: 6 years post-dam removal; Lat/Long: 48.147841,-123.57596074; Site Description: One of our deepest sites. Substrate is all muddy sand.

Permanent Control Site: GP2 West Transect; Depth: 12.7 Meters (41.6 Feet); Distance from river mouth: 18.8 Kilometers (11.6 Miles) east; Pre/Post Dam Removal: 6 years post-dam removal; Lat/Long: 48.12781102,-123.31712832; Site Description: This site was established as the eastern control. Substrate is mainly a gravel/sand/cobble mixture surrounding boulders.

Permanent Control Site: GP2 East Transect; Depth: 13.2 Meters (43.2 Feet); Distance from river mouth: 18.8 Kilometers (11.7 Miles) east; Pre/Post Dam Removal: 6 years post-dam removal; Lat/Long: 48.12781102,-123.31645664; Site Description: This site was established as the eastern control. Substrate is mainly a gravel/sand mixture.

Permanent Site: A2 West Transect; Depth: 12.8 Meters (42.0 Feet); Distance from river mouth: Kilometers 1.8 (1.1 Miles); Pre/Post Dam Removal: 6 years post-dam removal; Lat/Long: 48.14130295, -123.5883331; Site Description: One of our deeper sites at over 40 feet. Sediment is primarily sand/sandy mud with scattered boulders.

Permanent Site: A2 East Transect; Depth: 12.9 Meters (42.3 Feet); Distance from river mouth: Kilometers 1.8 (1.1 Miles); Pre/Post Dam Removal: 6 years post-dam removal; Lat/Long: 48.14130295, -123.58766124; Site Description: One of our deeper sites at over 40 feet. Sediment is primarily sand/sandy mud. Five species of seaweeds are present though not abundant.