Longevity and Mortality Rates of Fish in Nature 161 



30 



25 



20- 



100 I50 

 L^(cm) 



200 



• • 



SALMONOIDEI 



/ true salmon 



ISO 



200 



250 



Fig. 4. Relation between maximum age (Tmax) and asymptotic length (Loo) 

 in the Clupeoidei, Gadiformes, Pleuronectoidei and Salmonoidei (from Table 

 I). Because the correlation between Tmax and M, and Loo and K, is inverse 

 the species appearing in the bottom left-hand corner of Figs. 4 and 5 tend to 

 occur in the top right-hand corner of Figs. 6 and 7 ; this point should be borne 

 in mind when comparing the two sets of diagrams. 



AGEING — V — 6 



