Marine biologists are facing something of a local mystery on Long Island Sound: What are the molted shells of crayfish doing along the shoreline of Old Greenwich? Crayfish are freshwater species, not ...

Royal Oak — Knee deep in a pond behind Royal Oak High School, Mikela Dean split open a tubular wire trap she had extracted from the mucky water. Nothing inside. Again. Dean, watershed ecologist for ...

These crayfish are larger, more aggressive, and reproduce more quickly than native species, leading them to dominate ecosystems and disrupt food webs. Rusty crayfish have a significant impact on ...