A piscicide is a chemical substance which is poisonous to fish. The primary use for piscicides is to eliminate a dominant species of fish in a body of water, as the first step in attempting to populate the body of water with a different fish. They are also used to combat parasitic and invasive species of fish.
Examples of piscicides include rotenone,saponins, TFM, niclosamide and Antimycin A (Fintrol).
Plant-based piscicides
Historically, fishing techniques of indigenous people around the world have frequently included the use of plant-based piscicides. Many of these plants are natural sources of rotenone and saponins.
The genera Tephrosia, Wikstroemia, and Barringtonia are well known as fish poisons.
See also
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