Piscicide

Piscicide is a type of pesticide used to control fish populations in areas where they are unwanted. It can be used to control invasive fish species, reduce the number of fish in a pond or lake, or even to reduce the number of fish in a river or stream. Piscicides are typically applied to the water in the form of a liquid or granular formulation. The active ingredient in the piscicide can be a chemical, a biological agent, or a combination of both. Chemical piscicides are typically made up of chemicals such as copper sulfate and rotenone. These chemicals are toxic to fish and can cause them to die within minutes of being exposed. Biological piscicides, on the other hand, are usually made up of bacteria or fungi that attack the fish's gills, reducing their ability to absorb oxygen and eventually killing them. Piscicides are effective at controlling fish populations in areas where they are unwanted, but they can also have negative impacts on other aquatic species. For example, copper sulfate can be toxic to plants and other aquatic organisms, and can cause long-term damage to the aquatic environment. In addition, piscicides can kill fish indiscriminately, leading to the destruction of both the targeted species and other important species in the ecosystem.