| 摘要 |
PROBLEM TO BE SOLVED: To provide a land rearing device of tuna, including a feed pipe for easily forming a swirling flow of rearing water in a water tank of the land rearing device for rearing tuna.SOLUTION: A land rearing device of tuna includes a cylindrical water tank 1, and a feed pipe 2 for supplying rearing water to the water tank 1. The land rearing device of tuna is such that: an end of the feed pipe 2 is connected to an inner wall surface of the water tank 1 and forms a water supply port; and a discharge direction of rearing water supplied from the water supply port is provided so as to be a tangential direction of the water tank 1 in a circumferential part of the water tank 1.SELECTED DRAWING: Figure 1 |
