SEA-WATER SYSTEMS FOR REARING FISH LARVAE 



FRONT VIEW 



83 



FLOAT 

 SWITCH 



^ 





SEAWATER 

 INLET 



GLASS 



INCUBATOR 



SEAWATER 

 OUTLET 



<) 



RESERVOIR 



SIDE VIEW 



OF INCUBATOR 



^i^i^MM 





:au 



HEADER TANK 

 CONTAINING 

 GREEN ALGAE 



NON-RETURN 

 VALVE 



WOODEN 

 FRESHWATER 

 BATH WITH 

 COOLING COIL 



u 



I 



PI IMp r , MAINS 



OUTLET 

 SCREEN 



INLET 

 ORIPFEED 



B 



Figure 1. — Closed sea-water circulation for rearing plaice : 50-gallon capacity. 



