United States Depart-ment of the Interior 



Oecsr L. Chapisan, Secretary 



Fish and Yfildlife Service 



Albert Mo Day, Director 



Special Scientific Report Fisheries 

 Koo S3 



FIV3 JAPANESE PAPERS OH SKIPJACK 



Translated from the Japanese language oj 



Yifc Go Van Campen 



Pacific Oceanic Fishery Investigations 



CONTENTS 



Page 



lo Skipjack fisiiing grounds and oceanographic conditions 



in the Northeastern sea area, by Takeo Sasaki .,» ,,.... o ... . a. 



2 . On the stock of skipjack, by Morisaburo Tauchi .•o.,.o<>ooo,...o.. 22 



3, Notes on the shoal of bonito /skipjack, Kat5u^"cnus pelardi7 

 along the Pacific coast of Japan, by Hiroaki Aikawa 



I'flwa „.<,.„„„..,.. o 32 



ii. Local variations in the ccnEOsition of skipjack ( Katsu-.?cnus 



pelarais) schools, by Hiohitaka Uda and Jiro Tsukushi„. ......... » pi 



5. T^pes of skipjack schools and their fishing qualities, by 



ilichitaka Uda ,, a. .„.o»...oo..oo..oo^.o..»o.oo. .««..<..... o. cxi 



iVASHIMaTCI!: AUGUST 1552 



