Abstract
Artemia spp. is one of the most widespread saltwater organism suitable for ecotoxicity testing, but no internationally standardised methods exist. Several endpoints can be considered with Artemia spp. including short-term (24–48 h) and long-term (14 days) mortality, cysts and nauplii hatchability, biomass productivity, biomarkers' expression/inhibition and bioaccumulation on larvae as well as organisms' reproductive ability. Recently, Artemia spp. started to be used as a reference biological model in nanoecotoxicology with both inorganic and organic engineered nanomaterials (ENMs) also in combination with traditional environmental stressors looking for potential interactive effects. Criticisms were detected about the use of Artemia spp. in relation to the hatching phase, the toxicity test design, the occasional use only of reference toxicants and the way testing solution/suspensions were prepared thus potentially compromising the reliability of nanoecotoxicological results. A full list of compulsory information that must accompany Artemia nanoecotoxicity data is provided with positive feedbacks also for other toxicity bioassays.
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