FISHERY BULLETIN: VOL. 81, NO. 4 



□ 



cr 

 □ 



cr 



i— 

 in 



10 



20 



30 



40 



50 



60 



70 



NO. OF OTOLITH INCREMENTS 



(ESTIMATED AGE IN OPTS) 



FIGURE 5. — Exponential growth curve and equation fitted to plot of standard length: no. of otolith 

 increments (estimated age in days) for 99 Atlantic cod larvae collected during spring 1 98 1 on southeast- 

 ern Georges Bank. 



mo. Growth continued exponentially from the predict- 

 ed hatch length of 4.82 mm through the size range of 

 larvae collected with no indication of a cessation in 

 rate. Based on otolith age, hatching dates for the cod 

 larvae analyzed extended from 19 February to 5 

 April (see Figure 7). 



An exponential growth curve also resulted when the 

 standard lengths (range: 3.5-12.7 mm) of 76 haddock 

 larvae were plotted against their otolith increment 

 counts (range: 5-36 (Fig. 6)): 



L = 3.54e 00346 « r = 0.96. 



(2) 





o 

 a 



10 



15 



20 



25 



30 



35 



40 



NO. OF OTOLITH INCREMENTS 

 [ESTIMATED AGE IN DOTS) 



FIGURE 6. — Exponential growth curve and equation fitted to plot of standard length:no. of otolith 

 increments (estimated age in days) for76 haddock larvae collected during spring 1981 on southeastern 

 Georges Bank. 





832 



