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 ...

It’s crayfish season in Louisiana, but the Pacific Northwest is receiving all the crayfish spotlight. Researchers recently discovered two new species of the crustaceans: the Okanagan crayfish and the ...

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 ...

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 ...