Fish Health Condition Profile Sampling photo 11 maanden 0 Conducting a Health Condition Profile photo 11 maanden 0 Parasite Under a Microscope photo 11 maanden 0 Electrofishing in Quartz Creek, Colorado photo 11 maanden 0 Surveying Fish Health in the Colorado River photo 11 maanden 0 Fish Health Examination photo 11 maanden 0 Surveying Fish Health in the Colorado River photo 11 maanden 0 Laura Norcutt from the USFWS Division of Fish and Aquatic Conservation Branch of Aquatic Invasive Species photo bijna 3 jaar 0