STUDIES ON THE TOXICITY OF COPPER, ZINC AND COPPER-ZINC MIXTURE ON CIRRHINA MRIGALA (HAMILTION)
T. SITHANAND *
DEPARTMENT OF ZOOLOGY, SCOTT CHRISTIAN COLLEGE, NAGERCOIL-629003, INDIA.
S. SAM MANOHAR DAS *
DEPARTMENT OF ZOOLOGY, SCOTT CHRISTIAN COLLEGE, NAGERCOIL-629003, INDIA.
*Author to whom correspondence should be addressed.
Abstract
The toxicity of copper, zinc and copper-zinc mixtures on Cirrhina mrigala was investigated. Copper was more toxic compared to zinc. In mixtures, copper enhanced the toxicity of zinc and zinc moderated the toxicity of copper.