55 



The»area of the piscicultural grounds in Japan during 1907 

 is 106,396 acres, the principal varieties of pisciculture being carp, 

 eel, grey mullet, gold fish among the fish kinds, oysters short-razor 

 clam arc-shell and pearls among the shells, and porphyra am.ong 

 the moUusks and sea weeds and snapping turtles among the 

 reptilia. The culture of shells is extensively carried on in Kyu- 

 shu while the artificial hatching of trout and salmon is prevalent 

 in districts north of Hyogo along the sea of Japan and in north- 

 east districts of Honshu, north of Ibaraki prefecture and along 

 Hokkaido facing the Pacific Ocean. The total output of piscicul- 

 ture is 69,000,000 pounds valued at 3,719,000 yen, the artificial 

 hatching grounds of salmon and trout being about 50, both large 

 and small. The total number liberated during the year reaches 

 85,OOOjOOO. The following table shows the area of culture 

 grounds and species, and the output and position of hatching 



grounds and the number liberated in 1907. 



c, . Area of r\ . 4. 



Species ,^ J Output. 



^ culture ground. ^ 



acre. pound. 



Carp I5>777 3.5/6,256 



Fish 

 and 

 Turtles. 



Eels 1,934 



Gray Mullet 2,602 



771,848 

 2,163,088 

 10,616 

 3,465,692 



Molluscs. 



Snapping Turtle 



Chanos Chanos 



Hipophtholmichthys 



maritrit 



Ctenoph ary ngdan 



idellns 



Oyster 2,723 22,453,192 



Short-razor-clam. ... 23,120 13,771,072 



Arc-shell 781 4,612,024 



I Pearl Oysters i8,790 2,525 



327,880 

 634,400 



Value. 



415,880 



157,590 

 200,683 



10,479 

 283,383 



39,002 



53,871 

 167,808 



205,634 



44,794 

 4 1 1 ,000 



