 Global warming is causing significant environmental changes in the Arctic Ocean, including an influx of warm Atlantic waters into the region. This has led to a decrease in the diversity and abundance of gelatinous zooplankton, which are key predators in the food web. These organisms are also sensitive to temperature changes, so they will likely experience further declines if temperatures continue to rise. This article was authored by Dmitri Pantiukin, Jürlian Verhijan, Jürlian Verhijan, and others.