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 ...

"The best thing to do is unfortunately to kill it." ...

Photo Credit: iStock Central Ohio might seem like a strange place to encounter crustaceans, but Columbus residents have now ...

The red-swamp crayfish Procambarus clarkii is a highly invasive species native to American freshwaters but has also invaded many freshwater ecosystems around the world. Now, researchers conducted a ...

If you liked this story, share it with other people. An unusual invasive crayfish has been spreading in Madagascar, threatening aquatic biodiversity even as it helps nourish the country’s ...

This story originally appeared on The Guardian and is part of the Climate Desk collaboration. Small, bluish-gray, and speckled, the marbled crayfish would be easy to overlook. Except for the fact it ...

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 ...

In a new study conducted by Illinois Natural History Survey, scientists discovered by chance that the virile crayfish species, faxonius virilis, are interbreeding with native crayfish in the Current ...

Last year, crawfish season started with a whimper, not a bang. Unfavorable conditions and high prices even led to the closure of Saigon House, a local Viet-Cajun spot. But 2025 marks a comeback year ...

Any respectable Cajun restaurant in the United States serves crayfish (although they probably call them crawfish or crawdads). Eating them usually involves sucking out the fat and juices from the ...

RIO GRANDE VALLEY, Texas (KTRK) -- An invasive Australian Redclaw Crayfish was found in the Rio Grande Valley and Texas Parks and Wildlife officials are concerned with the potential of reproduction.

Procambarus clarkii is a crustacean species native to American freshwater bodies. Brought to Japan in the 1920s as a feed for frogs, this crustacean has slowly taken over the Japanese freshwaters by ...