FISHERMEN! 



YOUR COOPERATION IS REQUESTED 



THE SEA LAMPREY IS SPREADING RAPIDLY THROUGH MKHIGAN WAHRS AND IS 

 BaiYED TO BE A MENACE TO THE COMMERCIAL nSHERIES OF OUR STATL THE DE- 

 PARTMENT OF CONSERVATION IS ENGAGED IN A PROGRAM TO LEARN METHODS OF 

 CONTROL OF THIS FISH PARASITE. 



SEA UMPREYS MIGRATE INTO MANY OF OUR STREAMS AND RIVERS EACH SPRING 

 TO SPAWN. 



IF YOU SEE ONE OR MANY OF THESE PARASITES IN A STREAM OR RIVER, PLEASE 

 NOTIFY THE LOCAL CONSERVATION OFHCER OR THE NEAREST STATE RSH HATCHERY. 

 OR, IF THIS IS NOT PRACTICABLE, WRITE CONSERVATION DEPARTMENT, LANSING. 



Two completely «tp«rat«d 

 dorwl Rm 



Sudi«^lk« moiilh 



SEA LAMPREY 



Adult sea lamprtys usually will b* more than a foot long. They usually appear 

 nettled with brawn and block on the backs and they may hove a somewhat golden tint. 



MICHIGAN DEPARTMENT OF CONSERVATION 



Figure 1.-- -Poster utilized in 19h7 and 19^8 to request the aid of 

 the public in reporting sea lamprey spawning runs. 



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