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Long-term Lethal Toxicity Test with the Crustacean Artemia franciscana
Published on: April 14, 2012
Acute toxicity of tributyltin to the Caprellidea (Crustacea: Amphipoda)
Madoka Ohji1, Takaomi Arai, Nobuyuki Miyazaki
1International Coastal Research Center, Ocean Research Institute, The University of Tokyo, 2-106-1 Akahama, Otsuchi, Iwate 028-1102, Japan. ohji@wakame.ori.u-tokyo.ac.jp
Abstract:
In order to compare the acute toxicity of tributyltin (TBT) between sexes, five species of caprellid amphipods were exposed to seven levels (0, 0.001, 0.01, 0.1, 1, 10 and 100 microg l(-1)) of TBT for 48 h at 20 degrees C. The 48-h LC50 values in male and female were 1.3-6.4 microg TBTCl l(-1) and 1.2-8.6 microg TBTCl l(-1), respectively. No sex-specific differences of the acute toxicity of TBT were observed in the caprellids. These findings suggest that the risk of survival in response to exposure to TBT between sexes is similar in the caprellids.
