invasive species


Woman Catches Piranha-Like Invasive Fish In Delta

A woman fishing in the Delta last week was surprised when she reeled in what she thought was a piranha.


Salmon (Photo by Jeff T. Green/Getty Images)

DNA Tool Helping Biologists Find Elusive Or Invasive Species

When salmon, salamanders or other aquatic animals shed skin cells, they leave behind traces of their DNA in the water, like clues left behind at a crime scene.


Japanese Beetles (Photo Credit: Thinkstock)

Smart Phone App Will Help Blow Whistle On Invasive Species

A scientist has developed a smart phone application to help keep track of invasive species.


A southern watersnake, which commonly eats mole salamanders, a group that includes two endangered species in California. The non-native snakes are invading California waters, posing a threat to native fish, amphibians and reptiles. (Source: J.D. Willson/University of Arkansas)

UC Davis Researchers Warning Of Invasive Water Snakes

Researchers at UC Davis are warning of an invasion of water snakes, threatening to put a strain on California’s native and endangered species.