Experimental Skipjack Fishing 

 South Seas Government-General Zuiho Maru 



Date 



Symbol 



Latitude 



Longitude 



Vessels in sight 



Time of observation 



Weather, Amto of clouds 



Wind direction, force 



AtmoSo pressure 



Atraos. temoerature 



Water 

 temperature 



m 



ID m 



25 m 



50 m 



100 ra 



200 m 



8-26 



noon 



C 



w 3 

 758.9 



29.5 



29.0 



27 



noon 

 C 



W 2 

 758.7 

 29.0 



29.0 



28 



noon 



B 

 S 1 



759.5 

 30.0 



29.0 



29 



noon 



B 



SE 1 

 760,5 



29.0 



29.0 



30 



noon 

 B C 



760.0 

 28.0 



29.5 



Specific 

 gravity 



m 



10 m 



25 m 



50 ra 



100 m 



200 ra 



Water color 

 Transparency 

 Direction of current 

 Velocity of current 

 Amt, of zooplanlcton 

 Amtc of phytoplankton 



Type of school 

 Size a-"! density 

 Biti::^, 



Tim': gear used 

 Noo of hooks 

 Bait species 

 Number of bait fish 

 Value of bait 



Large skipjack taken 

 Medium skipjack taken 

 Small skipjack taken 

 *Ma^ur'~ taken 

 Big- eyed tuna taken 

 Other catch 

 Value catch 



Species of food 

 Quantity of food 

 Condition of gonads 



Notes 



*/ Maguro is a general 

 term for "tuna", and 

 in this case probably 

 means yellov.fin._7 



Ph 



05 



c 

 o 



•H 

 •P 

 CO 

 U 

 CO 

 P. 

 (D 

 U 



a, 



•H 



o 

 •p 



Ui 



•H 



CO 



o 



u 

 o 



Ci- 



u 



o 



0) 



CO 

 0) 



w g g 



•r) o C 



o c g 

 to^ o 



CO P!^ 



bD-P 



c 



J2 0) -P 

 to -P -H 



-H C(^ 00 

 <M CO ,0 



t3 



P e 



0) S 



fn . 



Ph 



<^ 



CO vn 



H H 



O •• 



O vO 

 Xi 



O +J 

 (0 (0 



8 



