GPS-Bearing Invasive Trout Are Used as Moles to Find, Destroy Their Own Eggs

Photo: Curtis Fry under a Creative Commons license.

Invasive species can be seen in two ways: as winning the struggle for life by out-evolving competing species, or as upsetting a precarious balance of biodiversity. The United States Geological Survey's (USGS) Invasive Species Program has decided on the latter in the case of invasive lake trout in Yellowstone National Park, and it's taking unusual steps to combat the dominance of the fish. Scientists are implanting radio transmitters in the fish and tracking them to their spawning grounds. The goal: destroy their eggs and the future of the species in the area, the New York Times reported.

Article continues: GPS-Bearing Invasive Trout Are Used as Moles to Find, Destroy Their Own Eggs