The idea of returning Murray crayfish to the river in South Australia is not new. Two University of Adelaide ecologists, the late Keith Walker and Mike Geddes, first suggested it in the 1990s.

Scientists in Texas are on high alert for an invasive species that could threaten native wildlife: an Australian crayfish that has appeared in the state’s resacas, the remnant wetlands of the ...

An invasive crayfish species from Australia is posing a threat to the native crayfish species in the Rio Grande Valley, Texas officials warn. Screengrab from Texas Parks and Wildlife video There ...

Redclaw crays rightly belong in tropical Queensland, the NT and parts of Papua New Guinea, but they are going feral in multiple foreign countries. The US state of Texas is the latest jurisdiction ...

CONCERN over the dwindling shrimp population in a tributary of the Black River referred to by locals as the YS River have ...

An invasive crawfish species originally from Australia has been seen in Texas since as early as 2013 and researchers are now studying how its presence could affect the local ecosystem. According ...

Researchers in Brownsville, Texas, have been investigating reports of an Australian red claw crayfish, a crustacean that typically belongs 8,000 miles away, after the species was seen pervading ...

These crayfish are larger, more aggressive, and reproduce more quickly than native species, leading them to dominate ecosystems and disrupt food webs. Rusty crayfish have a significant impact on ...