Natt conducts a snorkel survey on a section of San Luis Obispo Creek. Snorkel surveys give researchers a population estimate with minimal disturbance to the fish.
Natt conducts a snorkel survey on a section of San Luis Obispo Creek. Snorkel surveys give researchers a population estimate with minimal disturbance to the fish. Photograph courtesy of Daniel Moran.
Natt conducts a snorkel survey on a section of San Luis Obispo Creek. Snorkel surveys give researchers a population estimate with minimal disturbance to the fish.