piscicide

== English == === Etymology === From pisci- + -cide. === Noun === piscicide (countable and uncountable, plural piscicides) (countable) Any substance that is poisonous to fish. (uncountable) The killing of fish. A fish that kills. A fish that kills another fish, especially out of malice. ==== Synonyms ==== ichthyocide ==== Derived terms ====