| 摘要 |
PROBLEM TO BE SOLVED: To provide a filter which (1) is not large, can simply be attached to or detached from an aquarium, and (2) prevents that floated organisms are sucked into an outlet. SOLUTION: This filter F for transferring the floated organisms with a circulated water flow formed in the aquarium S and simultaneously breeding the floated organisms is characterized in that water in the aquarium S is sucked from a porous plate 20 with an approximately equal pressure and then drained from the outlet 3 to the outside of the aquarium S through a filter medium 21, while water supplied from a water supply port 1 into a rear water supply route 11 is jetted from a second water supply port 13 along the outer surface of the porous plate 20, whereby the floated organisms transferred to the outer surface region of the porous plate 20 with the circulated water flow are forcibly moved to the outside of the outer surface region of the porous plate 20 with the water jetted from the second water supply port 13. COPYRIGHT: (C)2005,JPO&NCIPI
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