J 
Production by Region 
Table 11 gives the 1939 regional production of the fisheries 
of Japan proper, i.e. the amount landed in each prefecture from coastal 
fisheries and "deep-sea fishing in home waters". The production of 
the northern fisheries, trawling, fishing in colonial waters and 
aquiculture are not included. This table, providing regional production 
lata, is the basis for later consideration of surplus and deficit areas. 
Although fishing is widespread throughout Japan, three districts 
stand out as major producing areas: Hokkaido; the eastern coast of 
Honshu northward from Shizuoka Prefecture; and the west side of Kyushu 
and extreme southwestern Honshu (including Nagasaki and Yamaguchi 
prefectures). 
Coastal Fishing . 
General . Coasted fishing, largely in waters within 20 - 
30 miles of shore, accounted for more than 2 million tons or two-thirds 
of the total production of fish, shellfish, crustaceans and molluscs 
of Japan proper in recent prewar years. It also provided most of the 
seaweed produced — about 410,000 metric tons (Table 12). 
Sardines constituted approximately half of the coastal fish 
catch with mackerel, herring, trout, cod, dog salmon, tuna, horse 
mackerel, flatfish, yellowtail, bonito, shark, red sea bream and grey 
mallet each providing sizable portions of the total (Tables 12 and 13). 
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