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.

A new species of crayfish that can reproduce without the involvement of a male is spreading rapidly through oceans across the globe. The first marbled crayfish appeared less than 25 years ago, but the ...

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 ...

A new critter is creeping into the United States' waters. The invasive Australian redclaw crayfish has been spotted in southern Texas, roughly 8,000 miles from its home. The freshwater crustacean is ...

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 ...

"I couldn't be more proud of the team," said Tim Morrow, San Antonio Zoo president and CEO, in a news release. "Their unwavering dedication and passion have propelled them to achieve remarkable ...

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 ...

Crayfish play a pivotal role in freshwater ecosystems, acting as both keystone species and bioindicators of aquatic environmental health. Their ecological functions range from nutrient cycling to ...

Getting your Trinity Audio player ready... Rusty crayfish, an aquatic nuisance and an invasive species, has been discovered in a Larimer County river south of Estes Park, according to Colorado Parks ...

Watch a rare blue crawfish display its vibrant color and territorial instincts during a dramatic breeding confrontation. This up-close look at crayfish behavior reveals how competition, courtship, and ...