Further field studies have been required by the EPA (16). Direct application of copper sulfate to water may cause a significant decrease in populations of aquatic invertebrates, plants and fish (17).   Effects on Aquatic OrganismsHello I just edited this answer Copper sulfate is very toxic to fish.
Jaguarundis are known to live throughout South America, Central America, Mexico and even Texas and southeast Arizona. Jaguarundis live in a variety of habitats, from grasslands to tropical forests, thickets, and even scrubland. Preferring to live near water, they are usually found near lakes, streams, or swamps.
The tucuxi lives in both salt- and freshwater and is found on the east coast of Central and South America. A riverine sub-species, S. f. fluviatilis, is found in the Amazon River and its main tributaries in northern Brazil, Peru, Colombia, and Ecuador, as well as in the lower Orinoco River in Venezuela.