THIRTY-SECOND BIENNIAL REPORT 



31 



very wide distribution of this species in the overflow valley districts, 

 especially in the watersheds where the bureau does most of its work. 

 In the netting operations carried on b.v the bureau, many thousands 

 of these fish are taken annually. The bureau has received many appli- 

 cations for them and has made a number of shipments of these fish to 

 the areas where they are needed in the campaign for the eradication 

 of mosquitoes. These fish are viviparous, producing their young alive. 

 They multiply very rapidly. 



STATE-WIDE DISTRIBUTION 



Due to the extreme drought of 1931, many ponds, reservoirs and 

 other waters became dry. In the spring of 1932, these areas again 

 filled with water and for the first time in history many applications 



Fig. 6. Sorting large-mouth black bass from small-mouth at Salt Spring Reser- 

 voir for propagating ponds at Friant. Photo by George Neale, June 13, 1932. 



for restocking them with spiny-rayed fishes have been received. These 

 applications will be given attention during the coming season. 



The total number of fish reclaimed during the last biennium by 

 species and number follows, except the small moutli bass to the number 

 of 4225 which were required for our propagating ponds at Friant. 



BY BUREAU 



Fiscal Year 1930-1 



Green Sunfish, Perch 2,219,021 



Blue Gill Sunfish 460,245 



Calico Bass, Crappie 383,057 



Sacramento Perch 102 



Catfish 877,161 



Striped Bass 18,560 



Black Bass— large mouth— 3,773,916 



Black Bass — small mouth 30 



Trout 45,110 



Salmon, adult 213 



Salmon fry 435,000 



Fiscal Year 1931-2 



Green Sunfish. Perch 



Blue Gill Sunfish 



Calico Bass, Crappie 



Sacramento Perch 



Catfish 



Striped Bass 



Black Bass — large mouth- _ 

 Black Bass — small moutli- 



Steelhead Trout — adults 



Salmon, adult 



Shad, adult 



1,015,578 



1,036,469 



210,235 



1,993 



443,697 



12,887 



2,795,670 



4,225 



101 



1,114 



181 



Total 8,212,415 



Total 5,522,150 



