Appendix Table 6. — Species composition of 87 trawl catches by RV Kaho in Lake Erie during Cruise 11, May 1963. 



Species 



Total catch 



Occurrence in total 



Average catch rate Effective catch 

 per 1/2 hr effort rate per 1/2 hr 

 effort 



Yellow perch ( Perca f lavescens ) 



Rainbow smelt ( Osmerus mordax) 



Freshwater drum [Aplodinotua grunniens) 



Carp ( Cyprinus carpio ) 



Channel catfish ( Ictalurus punctatus ) 



White bass ( Roccus chrysops ) 



Alewife ( Alosa pseudoharenqus ) 



Walleye 



( Stizostedion vitreum vitreum ) 



Emerald shiner ( Notropis atherinoides ) 



White sucker ( Catostomus commersoni ) 



Spottail shiner ( Notropis hudsonius ) 



Burbot ( Lota lota ) 



Trout-perch ( P ercopsis omiscomaycus ) 



Black bullhead ( Ictalurus raelas ) 



Lake herring fCoregonus artedil) 



Sauger ( Stizostedion canadense ) 



Goldfish ( Carassius auratus ) 



Lake whitefish ( Coregonus clupeaformis ) 



Buffalo [Ictiobus sp.) 



Stonecat ( Noturus f lavus ) 



Gizzard shad ( Dorosoma cepedianum } 



Stoneroller ( Campos toma anomalum ) 



Pumpkinseed ( Lepomis gibbosus ) 



Sea lamprey ( Petromyzon roarinus ) 



1/ T = Trace, less than 0.1. 



19,202 



20 



