Rajaguru: Biology of Cynoglossus arel and C. lida from Indian waters 



359 



CYNOGLOSSUS AREL 



TL X F 



o 

 o 



2 5 

 LOG TL 



TW X F 



26 



o 



1.9 2 1 2.3 



LOG TW 



OL X F 



OW X F 



o 



2.5 



2.7 



CYNOGLOSSUS LIDA 



TL X F 



2.20 2.22 2.24 2.26 2.28 2.30 2.32 

 LOG TL 



TW X F 



o 

 o 



OL X F 



o 

 o 



OW X F 



C3 

 O 



29 3.1 



LOG OW 



Figure 16 



Relationships between total length-fecundity (TL x F), total weight-fecundity (TW x F), ovary length- 

 fecundity (OL X F), and ovary weight-fecundity (OW x F), in Cynoglossus arel and C. lida caught 

 commercially off Porto Novo, India, October 1981-September 1982. 



in C. lida. Number of ova/g body weight was 124-1096 

 (x 464) in C. arel, and 287-1664 {x 988) in C. lida. 

 Scatter diagrams of fecundity (F) against TL, TW, OL, 

 and OW are shown in Figure 16. 



Fecundity was found to increase with TL (Fig. 16). 

 The calculated equation for F against TL is, 

 a arel logF = 1.0629 -t- 1.4459 logTL 

 C. lida logF = - 0.4923 -h 2.2006 logTL. 



