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Figure 8


Fig. 8. Mean normalized ultraviolet polarization sensitivity of rainbow trout (±1 standard error). (A) Electroretinogram (ERG) UV PS of fish treated with cobalt chloride (intraocular concentration ~0.275 mmol l–1; N=3). (B) Sham control intraocular injection of saline (N=3). Sv is represented by squares and Sh by diamonds. See Table 2 for linear subtractive model weighting factors.