REARING EQUIPMENT FOR FISH-AND-SHELLFISH

摘要

PROBLEM TO BE SOLVED: To provide a rearing equipment for fishes-and-shellfishes which does not cause a water-stagnant or water-immobile zone in the raising water tank even without using a machine such as a pump, thereby securing uniform water flow and favorable feeding. SOLUTION: This rearing equipment has the following construction: a diffusive tube 3 is installed thereinside to induce aeration at the bottom of a water tank 1 whose bottom shape is made spherical or conical, the upper part of the diffusive tube 3 is equipped with a cylindrical flow guide tube 4 to provide the outside of the flow guide tube 4 as a raising site 6 in the water tank 1, and there is additionally provided a feeding device 10 set with a filter mesh 11 in the water tank 1.