While invasive species often cause harm, certain introduced animals and plants can provide unexpected benefits to ecosystems. This video showcases five such species, including the peacock bass and the ...

Invasive fish species wreak havoc on native ecosystems, causing irreversible damage to biodiversity and local economies. This video highlights five of the worst invasive fish that have spread beyond ...

Federal protections could soon be extended to a rare Nevada fish that environmentalists say is “barely clinging to existence" ...