The round goby—a small, extremely prolific, invasive fish from Europe—poses a threat to endangered freshwater mussels in northwestern Pennsylvania’s French Creek, one of the last strongholds for two species of mussels, according to researchers.
The round goby—a small, extremely prolific, invasive fish from Europe—poses a threat to endangered freshwater mussels in northwestern Pennsylvania’s French Creek, one of the last strongholds for two species of mussels, according to researchers.