Coitus Life History in Delaware 



85 



15- 

 10- 



10- 

 i 5- 



d EL. 



tHbi-- 



cLAm. .. 



30 40 50 



STANDARD LENGTH (mm) 



9 AUG. 1980 

 N 55 



25 JULY 1980 

 N 68 



12 JULY 1980 

 N 77 



28 JUNE 1980 

 N 61 



8 JUNE 1980 

 N 35 



4,20 MAY 1980 

 N 17 



9,15,22,30 MAR. 1980 

 N 90 



25 JULY 1979 

 N 67 



16 MAR. 1979 



N 17 

 26 NOV. 1978 



N 6 



7 SEPT. 1978 

 N 46 



Fig. 5. 



County 



females: 



Length frequencies of Cottus bairdi from Butler Mill Branch, Sussex 

 Delaware, September 1978-August 1980. Solid bars = males; open bars = 

 hatched bars = unsexed young. 



