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.
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.
- Rotenone as a piscicide
- Rotenone Stewardship Program Archived 2007-11-10 at the Wayback Machine.
- Susan J. Clearwater, Chris W. Hickey, Michael L. Martin Overview of potential piscicides and molluscicides for controlling aquatic pest species in New Zealand Science & Technical Publishing 2008 ISBN 978-0-478-14376-8
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