ichthyotoxin

Noun

ichthyotoxin (plural ichthyotoxins)

1. 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, Craig S. Tucker, John A. Hargreaves, Environmental Best Management Practices for Aquaculture, →ISBN, page 277
   • While such a pretreatment increased the sensitivity ten to forty times, the damage to the gills induced by brief exposure to ichthyotoxin was reversible.2012, Dean Martin, Marine Pharmacognosy: Action of Marine Biotoxins at the cellular level, →ISBN
2. 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, Raymond Ferrando, Traditional and Non-traditional Foods, →ISBN, page 7
   • Ichthyotoxins are sufficiently widely present in the reef fish of tropical oceans, and with a sufficiently unpredictable occurrence, as to render the large-scale commercialization of snappers, groupers, jack, and other large, marketable fish a chancy business; in some iland groups, such as (it is...2012, Gerard Meurant, Ecology of Tropical Oceans, →ISBN, page 250