Four different concentrations of Ca 2+ solutions were perfused the olfactory epithelium of Tilapia sp., and the changes of the EOG responses were observed. The result showed that there were dual effect of Ca 2+ on the electro olfactogram(EOG) of the fish.

• 将 4种不同浓度的Ca2 +溶液灌注罗非鱼嗅上皮 ,观测其对罗非鱼嗅电图 (electroolfactogram ,简称EOG)电位幅值的影响 ,结果表明 :Ca2 +对罗非鱼EOG具双重效应。