Costa, H.H.2012-04-042012-04-041965Ceylon Journal of Science (Biological Sciences)5(2)pp.97-104https://dl.nsf.gov.lk/handle/1/7711Experiments with tadpoles of Rana temporaria with sodium cyanide solutions gave generally similar results to those with fish and Gammarus. Tadpoles, however, are less sensitive than than fish but more sensitive than gammarus. The response limit for frog tadpoles is about 0.00001N. Changes of temperature, pH and dissoved oxygen had effects on their reactions similar to those seen with fishes and GammarusBiological SciencesAmphibiaToxicityEnvironmental factorsArticle