PROPAGATION AND DISTRIBUTION OF FOOD FISHES, FISCAL YEAR 1938 ' 



By Glen C. Leach, Chief, M. C. James, Assistant Chief, and E. J. Douglass, 



Assistant Superintendent of Distribution, Division of Fish Culture 



CONTENTS 



rage 



Introduction 461 



Species propagated 462 



Production 464 



Construction activities 465 



Cooperation with other conservation agencies 465 



Salvage operations 467 



Assignments of fish and fish eggs to States, Territories, and foreign coun- 

 tries 468 



Transfer of eggs between stations 470 



Station output •_ 472 



Egg collections 478 



Notes on operations 479 



Commercial species 479 



Marine species 480 



Great Lakes species 481 



Anadromous species, Atlantic coast 482 



Game-fish propagation 482 



Rocky Mountain territory 483 



New England trout stations 485 



Combination trout and pondfish stations 486 



Appalachian and Blue Ridge trout stations 487 



Pondfish stations 488 



Mississippi River territory 490 



Aquarium 491 



Distribution operations 491 



Summary, by States, of fish distribution 492 



INTRODUCTION 



The production of fish and eggs at Federal hatcheries during the 

 fiscal year 1938 totaled 8.121,131,000. This was very close to the 

 maximum production obtained in 1936 and was a moderate increase 

 over the 1937 record. There are set forth elsewhere in this report the 

 changes in methods and extension of facilities which contributed to 

 this increase. 



At no time since practical methods of artificial propagation of fish 

 were developed has there been such a demand by the public for more 

 and larger hatcheries. During this period there has been much critical 

 analysis b}^ biologists of the results obtained from fish-hatchery opera- 

 tions. These trends have resulted in a concerted effort to develop 

 the most efficient and economical methods of conserving or increasing 

 the fishery resources. Until such time as there is a clear-cut formuhi- 



' Administrative Report No. 34. Appendix IV to the Report of the U. S. Commissioner of Fisheries for 

 1938. Approved for publication May 23, 1939. 



461 



