| 摘要 |
PURPOSE: A vacuum aquarium floating on the surface of water is provided to enable users to install the vacuum aquarium on a fish farm or a verge of the water for offering an observation study effect. CONSTITUTION: A vacuum aquarium floating on the surface of water comprises the following: a sealing cap(2) penetrated by the center of a buoy(4) floating on the surface water(6); a water inlet(3) installed on the lower side of the sealing cap; a vacuum space(1) formed after filling the inner space of the sealing cap with the water; a through-hole(5) for the young of fishes to freely move to inside and outside the aquarium; and an escape prevention mesh(7) installed on the bottom of the sealing cap. |
