188 



FISH HATCHERY MANAGEMENT 



SELF-SEALING MASON FRUIT JAR 

 1/4" COPPER TUBE 



-♦-DOUBLE-ENDED RUBBER BULB 



GLASS TUBE- 



1/4" COPPER TUBE 

 SMALL NOTCH 



Figure 65. Construction of a siphon egg picker. (Source: 

 Davis 1953.) 



