Abstract
The positive phototactic behavior ofArtemia was disturbed when larvae cultured in 0.25 M NaCl were introduced into 10−7 to 10−5 M HgCl2. At 10−8 M, and in controls, Hg had no effect either on orientation or mortality, and 65% of the larvae were collected at the light source in 30 min or less. In contrast, at 10−6 M, only 29% were able to do so. The presence of 10−4 M thiamine hydrochloride in the excystment medium prevented fully the loss of light-sensitivity.
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Yaeger, E., Siegel, B.Z., Siegel, S.M. et al. Mercury antagonists: loss of phototactic response in the brine shrimp artemia and its prevention by thiamine. Water Air Soil Pollut 28, 293–297 (1986). https://doi.org/10.1007/BF00583495
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DOI: https://doi.org/10.1007/BF00583495