United States Department of the Interior, Douglas McKay, Secretary 
Fish and Wildlife Service, John L. Farley, Director 
mo 
Pd 
MATURITY AND FECUNDITY OF BIGEYE TUNA IN THE PACIFIC 
By 
Heeny S. H. Yuen 
Fishery Research Biologist 
Pacific Oceanic Fishery Investigations 
U. S. Fish and Wildlife Service 
Special Scientific Report: Fisheries No. 150 
WASHINGTON: JUNE 1955 
