Ornamental fish trade is introducing invasive species into local ecology

Ornamental fish trade is introducing invasive species into local ecology

Many popular species are adaptive by nature, making it easy for them to thrive in new environments.

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The U.S. authorities have asked the population to “eliminate immediately” any specimen of an invasive species of fish that is able to come out of the water and move on land for several days. The danger lies in the fact that this animal, called the northern snakehead (Channa argus) is a voracious predator of native species and threatens to destabilize ecosystems.

The northern snakehead (Channa argus), native to Asia, is rapidly advancing through several aquatic ecosystems in the United States, raising serious concerns among environmental authorities. This invasive species is distinguished by its predatory behavior, high reproductive rate, and ability to survive out of water, complicating containment and eradication efforts. Since its discovery in 2002 in Crofton, Maryland, the snakehead has colonized riv…