The Outside Story examines northern crayfish, small crustaceans which are en essential part of river ecosystems ...

Scientists in New Zealand said Tuesday they have discovered a new species of "ghost shark", a type of fish that prowls the Pacific Ocean floor hunting prey more than a mile down. Researchers have ...

Global heating is destroying creeks the crayfish call home. They’re the canary in the coalmine for other species living in the delicate ecosystems ...

Crossbreeding between 2 non-native, invasive crayfish species has been found in the Juniata River basin of central Pennsylvania, raising concerns that the hybridization could help the invaders gain an ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. An invasive crayfish species that can reproduce around 1,000 eggs up to ...