| YEAR | 2004 | |||||||
| STREAM | Illinois River | |||||||
| SPC | (All) | |||||||
| CODE | (All) | |||||||
| STNAME | (All) | |||||||
| GEAR | (All) | |||||||
| COMMON | SUM_fish | CTRT/1_HR | AVERG Wt | Min_Wt | Max_Wt | Avg_Len | Min_Len | Max_Len |
| Bighead carp | 7 | 2.15 | 0.54 | 0.00 | 3.17 | 12.56 | 2.76 | 25.20 |
| Bigmouth buffalo | 90 | 17.45 | 2.18 | 0.09 | 11.01 | 14.51 | 5.31 | 26.38 |
| Black buffalo | 6 | 1.75 | 3.34 | 0.06 | 5.25 | 16.25 | 4.80 | 20.59 |
| Black bullhead | 15 | 7.50 | 0.46 | 0.27 | 0.83 | 9.50 | 8.66 | 11.30 |
| Black crappie | 50 | 8.87 | 0.29 | 0.00 | 2.00 | 7.12 | 2.48 | 14.65 |
| Black redhorse** | 2 | 2.00 | 0.87 | 0.87 | 0.87 | 13.39 | 13.39 | 13.39 |
| Bluegill | 543 | 37.98 | 0.13 | 0.00 | 0.36 | 4.83 | 1.38 | 7.36 |
| Bluegill x Green sunfish hybrid | 28 | 16.67 | 0.12 | 0.04 | 0.23 | 5.21 | 3.66 | 6.57 |
| Bluegill x Redear sunfish hybrid | 1 | 1.50 | 0.31 | 0.31 | 0.31 | 7.01 | 7.01 | 7.01 |
| Bluntnose minnow | 74 | 25.60 | 0.00 | 0.00 | 0.00 | 2.00 | 0.87 | 2.80 |
| Bowfin | 43 | 21.50 | 4.04 | 1.06 | 8.15 | 21.91 | 13.86 | 27.83 |
| Brook silverside | 2 | 2.00 | 0.00 | 0.00 | 0.00 | 2.56 | 2.56 | 2.56 |
| Brown bullhead | 3 | 1.50 | 0.49 | 0.25 | 0.88 | 9.66 | 7.99 | 11.54 |
| Bullhead minnow | 21 | 5.03 | 0.00 | 0.00 | 0.00 | 1.79 | 1.50 | 2.36 |
| Carp | 355 | 21.04 | 2.96 | 0.09 | 9.05 | 17.72 | 5.08 | 25.87 |
| Carp x Goldfish hybrid | 20 | 6.81 | 1.09 | 0.06 | 2.65 | 11.59 | 4.80 | 17.01 |
| Channel catfish | 254 | 17.42 | 1.62 | 0.02 | 7.27 | 15.64 | 2.64 | 26.46 |
| Emerald shiner | 177 | 26.50 | 0.00 | 0.00 | 0.00 | 2.80 | 1.46 | 4.02 |
| Flathead catfish | 42 | 6.92 | 1.21 | 0.09 | 11.67 | 13.15 | 6.10 | 33.31 |
| Freckled madtom | 1 | 1.50 | 0.02 | 0.02 | 0.02 | 4.17 | 4.17 | 4.17 |
| Freshwater drum | 225 | 14.59 | 1.08 | 0.01 | 4.80 | 10.66 | 2.76 | 21.34 |
| Gizzard shad | 2031 | 117.94 | 0.22 | 0.00 | 1.06 | 7.13 | 1.97 | 15.08 |
| Gizzard shad x Threadfin shad hybrid | 1 | 1.00 | 0.03 | 0.03 | 0.03 | 4.53 | 4.53 | 4.53 |
| Golden redhorse | 49 | 6.82 | 0.60 | 0.07 | 2.20 | 10.64 | 5.59 | 17.01 |
| Golden shiner | 9 | 3.40 | 0.08 | 0.00 | 0.23 | 4.98 | 2.32 | 6.85 |
| Goldfish | 9 | 2.33 | 0.59 | 0.13 | 0.94 | 9.06 | 4.29 | 11.57 |
| Grass carp | 37 | 5.34 | 1.84 | 0.00 | 10.76 | 15.71 | 7.76 | 30.39 |
| Green sunfish | 63 | 7.67 | 0.06 | 0.00 | 0.23 | 3.83 | 1.57 | 6.81 |
| Green sunfish x Orangespotted sunfish hybrid | 1 | 1.71 | 0.09 | 0.09 | 0.09 | 4.57 | 4.57 | 4.57 |
| Largemouth bass | 205 | 14.77 | 0.55 | 0.01 | 3.23 | 8.91 | 2.80 | 17.24 |
| Logperch | 11 | 2.83 | 0.01 | 0.00 | 0.02 | 2.48 | 0.00 | 4.13 |
| Longear sunfish | 4 | 2.87 | 0.06 | 0.02 | 0.08 | 4.27 | 3.46 | 4.53 |
| Longear sunfish x Green sunfish hybrid | 1 | 1.71 | 0.21 | 0.21 | 0.21 | 6.30 | 6.30 | 6.30 |
| Longnose gar | 7 | 3.00 | 1.63 | 1.16 | 2.59 | 25.98 | 23.82 | 29.72 |
| Mooneye | 1 | 1.00 | 0.07 | 0.07 | 0.07 | 5.91 | 5.91 | 5.91 |
| Orangespotted sunfish | 17 | 3.81 | 0.02 | 0.00 | 0.03 | 3.04 | 2.48 | 3.62 |
| Pumpkinseed | 1 | 1.00 | 0.17 | 0.17 | 0.17 | 5.71 | 5.71 | 5.71 |
| Quillback | 23 | 3.84 | 0.71 | 0.00 | 1.67 | 10.43 | 4.02 | 15.79 |
| Red shiner | 1 | 1.00 | 0.00 | 0.00 | 0.00 | 2.76 | 2.76 | 2.76 |
| Redear sunfish | 4 | 9.23 | 0.04 | 0.02 | 0.06 | 3.72 | 3.35 | 3.98 |
| River carpsucker | 54 | 8.94 | 0.85 | 0.09 | 1.99 | 11.78 | 4.76 | 16.65 |
| River shiner | 2 | 2.00 | 0.00 | 0.00 | 0.00 | 1.38 | 1.38 | 1.38 |
| Rock bass** | 2 | 2.00 | 0.40 | 0.40 | 0.40 | 8.11 | 8.11 | 8.11 |
| Sauger | 40 | 7.22 | 0.57 | 0.09 | 2.04 | 9.49 | 4.92 | 18.31 |
| Shad spp. | 2 | 2.00 | 0.04 | 0.04 | 0.04 | 5.12 | 5.12 | 5.12 |
| Shorthead redhorse | 42 | 5.42 | 1.10 | 0.00 | 2.96 | 12.64 | 3.54 | 19.37 |
| Shortnose gar | 13 | 3.75 | 1.22 | 0.22 | 2.05 | 19.26 | 12.60 | 23.35 |
| Silver carp | 874 | 160.56 | 2.14 | 0.04 | 11.89 | 14.98 | 3.54 | 32.09 |
| Silver chub | 2 | 2.00 | 0.00 | 0.00 | 0.00 | 5.91 | 5.91 | 5.91 |
| Silver redhorse** | 6 | 3.00 | 0.79 | 0.52 | 1.34 | 12.25 | 10.71 | 14.96 |
| Skipjack herring | 91 | 8.58 | 0.05 | 0.00 | 0.21 | 4.79 | 0.00 | 8.82 |
| Slenderhead darter** | 1 | 1.00 | 0.00 | 0.00 | 0.00 | 2.05 | 2.05 | 2.05 |
| Smallmouth bass** | 94 | 8.18 | 0.53 | 0.03 | 1.75 | 9.80 | 3.11 | 16.14 |
| Smallmouth buffalo | 660 | 43.81 | 1.63 | 0.01 | 6.90 | 13.82 | 2.36 | 23.82 |
| Spotfin shiner | 26 | 9.74 | 0.00 | 0.00 | 0.00 | 2.25 | 1.50 | 2.76 |
| Spottail shiner | 11 | 3.74 | 0.00 | 0.00 | 0.00 | 2.90 | 2.36 | 3.19 |
| Spotted gar | 3 | 1.67 | 0.10 | 0.08 | 0.11 | 10.81 | 9.29 | 11.57 |
| Spotted sucker | 2 | 2.00 | 0.77 | 0.77 | 0.77 | 12.48 | 12.48 | 12.48 |
| Threadfin shad | 162 | 38.69 | 0.01 | 0.00 | 0.06 | 3.69 | 2.36 | 4.80 |
| Trout-perch | 2 | 2.00 | 0.00 | 0.00 | 0.00 | 2.99 | 2.99 | 2.99 |
| Unidentified Carpsucker | 12 | 9.26 | 0.85 | 0.02 | 1.26 | 10.95 | 3.70 | 14.41 |
| Walleye | 9 | 3.97 | 0.13 | 0.11 | 0.20 | 7.17 | 6.22 | 7.99 |
| White bass | 437 | 38.76 | 0.46 | 0.01 | 2.03 | 8.97 | 0.79 | 15.98 |