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 ...

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 ...

Crustaceans exhibit a remarkable diversity of reproductive strategies, ranging from broadcast spawning in pelagic shrimps to elaborate brooding in clawed lobsters and land crabs. Sexual maturity is ...

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 ...