ILLUSTRATIONS 

 FIGURE Page 



Frontispiece: Small Tilapia mossambica 



1. Start of a seine haul in the No. 6 pond. The "kowari", a Japanese bait-holding device, is 



shown in the foreground 3 



2. Completion of a seine haul in the No. 6 pond 3 



3. Spawning beds or depressions produced by male tilapia 4 



4. The results of skipjack fishing on the Orion , June 26, 1956, using both nehu and tilapia as bait. 7 



5. Variations in catch rate when using nehu and tilapia to chum a slow-biting school (upper 



panel) and a fast-biting school (lower panel). 7 



6. Skipjack caught by pole and line using tilapia as bait, with the stomach opened to show the 



numerous small tilapia among the stomach contents 8 



