ichthyotoxin noun2 •Any chemical compound that is toxic to fish.This dinoflagellate, apparently widely distributed in temperate coastal waters, produces ichthyotoxins that have killed net-pen farmed salmonids in Norway, Scotland, and Ireland (Smayda 2006). — 2009 •Any toxin produced by fish.More recently, Ehrhardt (1971) drew attention to ichthyotoxins as a whole. Among fish alone there are more than 500 species that are dangerous to man. — 1981 formsichthyotoxins
