image: Bits of DNA floating in 1 liter (~1 quart) of water matched 12 different fish species. The bar graph depicts the number of 'reads' for each DNA sequence. Menhaden gave the most, about 20,000 ...

The completion of a South American lung fish genome sequencing represents one of the most remarkable moments within current ...

River water, lake water, and seawater contain DNA belonging to organisms such as animals and plants. Ecologists have begun to actively analyze such DNA molecules, called environmental DNA, to assess ...

Despite protective measures being in place, endangered fish species are regularly caught then sold in open markets. And while visually searching them out can be difficult, a new technology could more ...

Pipettes? Check. Centrifuges? Check. Microplates? Check. Gloves? Check. Salmon sperm DNA? Check. Wait what? There are a ...

Researchers have outlined a powerful new tool for monitoring trade of rare and endangered fish species in Hong Kong wet markets. Using environmental DNA (eDNA) present in the drain runoff water of ...

SEATTLE — A new study by researchers at the University of Washington used "environmental DNA" to assess where culvert replacements helped increase fish passage. Researchers utilized a technique they ...

Genetic material from a worrisome invasive fish species has been detected in a lake in Central Kentucky, but officials stress that doesn’t mean live fish have made it into the lake. Environmental DNA ...

Researchers have developed a new non-invasive method to count individual fish by measuring the concentration of environmental DNA in the water, which could be applied for quantitative monitoring of ...