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"Like MG (malachite green), CV (crystal violet) is readily absorbed into fish tissue from water exposure and is reduced metabolically by fish to the leuco moiety, leucocrystal violet (LCV). Several studies by the National Toxicology Program reported the carcinogenic and mutagenic effects of crystal violet in rodents.
Economic fraud occurs when a lower-priced fish is labeled as a higher priced fish in order to sell the lower-priced fish for a higher price. [29] Once someone within the supply chain sells mislabeled seafood, every company or consumer that purchases the mislabeled seafood is a victim of this economic fraud.
Ciguatoxin is produced by Gambierdiscus toxicus, a type of dinoflagellate.The phenomenon occurs in the Caribbean Sea, Hawaii, and coastal Central America. The toxin usually accumulates in the skin, head, viscera, and roe of big reef fish like grouper, wrasse, triggerfish, lionfish, and amberjack.
A purple sea urchin being tested for pollution using a whole effluent toxicity method.. Aquatic toxicology is the study of the effects of manufactured chemicals and other anthropogenic and natural materials and activities on aquatic organisms at various levels of organization, from subcellular through individual organisms to communities and ecosystems. [1]
Chronic toxicity, the development of adverse effects as a result of long term exposure to a contaminant or other stressor, is an important aspect of aquatic toxicology. [1] Adverse effects associated with chronic toxicity can be directly lethal but are more commonly sublethal, including changes in growth, reproduction, or behavior.
Recently, copper alloys have become important netting materials in aquaculture (the farming of aquatic organisms including fish farming).Various other materials including nylon, polyester, polypropylene, polyethylene, plastic-coated welded wire, rubber, patented twine products (Spectra, Dyneema), and galvanized steel are also used for netting in aquaculture fish enclosures around the world.
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They proposed the FATS by assessing the behavioral and physiological responses of the fish when subjected to toxicity tests, such as locomotive activities, body color, ventilation patterns, cough rate, heart rate, and others. [2] It has been proposed that modes of toxic action could be estimated by developing a data set of critical body ...