Table 1 Number of Individuals 

 River (Bnckhouse Slough) and a 



of each fish species collected per hour of electrofishing (CPUEn) at Reach 26 of the Mi 



[ SIX reaches of the Illinois River Watenway in 1996 



Reach and Hours Fished 



Species 



Reach 26 Alton La Grange 

 1 00 500 5 50 



Peoria 



7 00 



Starved 

 Rock Marseilles 

 2 00 2 25 



Dresden 

 2 00 



Overall 



CPUEn 



24 75 



Lepisosteidae 



shortnose gar 

 Clupeidae 



gizzard shad 



skipjack hernng 



threadfin shad 

 Cypnnidae 



bluntnose minnow 



bullhead minnow 



carp X goldfish 



common carp 



emerald shiner 



fathead minnow 



golden shiner 



goldfish 



grass carp 



red shiner 



silverband shiner 



spottail shiner 

 Catostomidae 



bigmouth buffalo 



golden redhorse 



nver carpsucker 



smallmouth buffalo 



shorthead redhorse 

 Ictalundae 



black bullhead 



channel catfish 



flathead catf sh 



yellow bullhead 

 Cypnnodontidae 



blackstnpe topminnow 

 Athennidae 



brook silverside 

 Percichthyidae 



white bass 

 Centrarchidae 



black crappie 



bluegill 



bluegill X green sunfish 



green sunfish 



largemouth bass 



orangespotted sunfish 



rock bass 



smallmouth bass 



warmouth 



white crappie 

 Percidae 



log perch 



mud darter 



sauger 



walleye 

 Sciaenidae 



25 80 

 40 



18 

 126 00 



18 

 36 36 



55 

 5 82 

 73 



150 75 

 88 

 3 63 



6 50 

 8 75 

 13 

 63 



50 



013 

 013 



1 25 



13 



1 13 

 013 

 13 



10 00 

 3 00 



50 

 7.00 



1 03 

 513 

 51 



2 05 



51 



50 

 50 



550 

 6 00 

 3 50 

 1 50 



08 

 5 58 

 28 

 08 



0.08 



0.28 



18.18 



3 23 

 16 48 



04 



1 54 

 5 25 

 85 

 16 

 008 

 0.24 

 0.44 



0.04 

 0.04 



19 



