Table 37 



A Comparison of Fish Species Present in the Illinois River and 



Upper Mississippi River (Pools 12-26) for Periods Before and After 



Construction of the Nine-Foot Channel Navigation System 



Specie 



Illinois Upper Mississippi 

 River River 



1876- 

 1903 a 



1950- 

 1977 b 



1876- 1944- 

 1903 a 1971 c 



Chestnut lamprey, Ichthyomyzon castaneus 

 Silver lamprey, Ichthyomyzon unicuspis 

 Lake sturgeon, Acipenser fulvescens , C 

 Pallid sturgeon, Scaphirhynchus albus , C 

 Shovelnose sturgeon, Scaphirhynchus 



platorhynchus . C 

 Paddlef ish, Polvodon spathula . C 

 Longnose gar, Lepisosteus osseus . P 

 Shortnose gar, Lepisosteus platostomus . I 

 Alligator gar, Lepisosteus spatula , P 

 Bowfin, Amia calva . P 

 American eel, Anguilla rostrata, C 

 Skipjack herring, Alosa chrvsochloris , F 

 Gizzard shad, Dorosoma cepedianum , F 

 Goldeye, Hiodon alosoides . F 

 Mooneye, Hiodon tergisus . F 

 Rainbow trout, Salmo gairdneri . S 

 Mudminnow, Umbra 11ml. F 

 Grass pickerel, Esox americanus , S 

 Northern pike, Esox lucius . S 

 Muskellunge, Esox masouinongy . S 

 Stoneroller, Campostoma anomalum . F 

 Ozark minnow, Dionda nubila . F 

 Carp , Cyprinus carpio. C 

 Silverjaw minnow, Ericymba buccata . F 

 Silvery minnow, Hybognathus nuchalis . F 

 Speckled chub , Hvbopsis aestivalis , F 

 Silver chub, Hybopsis storeiana . F 

 Hornyhead chub , Nocomis biguttatus . F 



Key: x=present, x*=presence is accidental, C=commercial fish, S=sport 

 fish, P=predatory fish, F=forage fish. Classifications of fish are 

 those used by Barnickol and Starrett (1951) or designated by authors. 



a Forbes, 1920. 



Unpublished data from files of the late Dr. W.C. Starrett, 1950-1972 

 and Dr. R.E. Sparks, 1972-present, Illinois Natural History Survey. 



'Smith et al. , 1971. 



Sheet 1 of 4 



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