to 



_o 



"to 

 E 



o 



c 



< 



c 



CD 

 O 



o 



40 



30 



20 



^ Sediment-contact Fishes 

 n Water-column Fishes 



Lower Middle Upper 



Illinois River Water^vay 



Figure 2 Percent of sediment-conta:' and water-column fishes v/ith externally visibk 

 abnormalities (eg , sores, eroded fins) collected from the Illinois River Waten.vay in 

 1995. Data are grouped by river segment as in Figure 1, Numbers above each bar 

 are the total fish collected in each category for the specified river segment. Habitat 

 associations for species are defined in APPENDIX A 



26 



