UNITED STATES DEPARTMENT OF THE INTERIOR 

 U.S. Fish and Wildlife Service 



BUREAU OF commercial FISHERIES 



Synopsis of the Biological Data on the 



Pacific Mackerel, Scomber japonicus 

 Houttuyn (Northeast Pacific) 



By 



DAVID KRAMER 



FAO Species Synopsis No. 40 



Circular 30Z 



Washington, D. C. 

 February 1969 



