TABir. CF CONTFOTS (COMT'C) 



Tuna Catch 



1. General 



2. Catch In Japan Proosr. 

 5, Colonial Catch . . , . 



Page 

 U5 

 50 

 52 



Table f?. 



Table 9. 



Table 10. 



Table 11. 



Table 12. 



Table 1?. 



Ma.jor Ports for Japanese Tuna Fishing Operations In the Western Pacific 



end Indian Oceans 



Schematic Renresentaticn of Surface Currents During Winter Months in 



the Western Pacific and Indo-Paclflc Regions 



Schematic Representation of Surface Currents During Srimner Months in 



the Western Pacific and Indo-Paclfic Regions . 



Percentage BreakdoTm of Total Tuna Catch for 1939 ^ Ma.^or Japanese 



Fishing Regions. 



Sklp.iack , 



Fishing Grounds for the Sklp.lack In the' Western Pacific and Indian 



Oceans During 19U0 



Black Tuna , 



Fishing Grounds for the Black Tuna in the Northwestern Pacific Ocean . 



Albacore 



Fishing Grounds for the Albacore in the Western Pacific Ocean Between 



1957 and 19U0. . 



Yellowfin Tuna 



Fishlnp Grounds for the Yellowfin Tuna In the Western Pacific and 



Indian Oceans During I9I1O 



Skip.lack Fishing Vessel ' 



Tuna Long Line Fishing Vessel 



SCAP Authorized Areas for Jananese Fishing, 22 June 19U6 



Tuna Set Ket 



Tuna Drift Net 



Trolling Jig 



Tuna Long Line 



Fishing Gear: Sklp.iack Vessel , Kagoshin-.a Prefecture 



Fishing Gear: Skipjack Vessel, Mie Prefecture 



Tunas Landed at Japanese Hiire Ports, 190?<-U5 



11 

 •ih 



16 

 20 

 21 

 26 



27 

 50 



31 

 33 



35 

 36 

 5? 

 59 



Ul 

 U2 

 U3 

 U6 



hi 



Composition of Tuna Catch Obtained by Long Line Operations in Southwest 



Pacific and Indo-Paciflc Regions . 



Seasonal Tuna Catch by Long Line Operations in the Southwest Pacific 



and Indo-Paclfic Regions 



Long Line Catch of Yello-R-f^n Tuna bv Shonan Mam 



Catch Per Gross Ton of Skipjack Vessel 



Tuna Fleet Operated During I9U0 56 



Tuna Fleet Available for Oueratinn During 19l(»? 56 



Jonstruction of Loif; Line Gear, Area of Operation, Season, and Species 



Taken by Various Jananese Tuna Vessels 



Landings, bv Species, of Tunas and Related Forms at Jananese Ports, 



1936-UO and 19U6 



Skipjack Stick (Katsuobushl) Production in Japan, Formosa, and the 



Mandated Islands, 1922-UO 



Frozen Skipjack, Albacore, and Swordfish Exported from Janan, 1929-59. 



FVoductlon of Canned Tuna in Jan^n, 1Q51-U0 



Canned Tuna Exnorted from Jaofln , IQJl-ii'^ 



Predicted Catch bv Japanese Tuna Fleet in Present A-ithorlaed Fishing 

 Areas During I9U? 



55 



55 

 55 

 56 



56 

 57 



5" 

 57 

 57 

 5a 



59 



P-6307 



