| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a water tank for aquarium fish which can carry out a water exchanging operation in the body of a water tank and suppress the rise of water temperature in the water tank body. <P>SOLUTION: A lid body 30 for the water tank body 2 is placed so as to generate a space 51 between the lid body 30 and an upper opening periphery 2a in the vertical direction above the upper opening periphery 2a in the water tank body 2 of the water tank 1 for aquarium fish. <P>COPYRIGHT: (C)2013,JPO&INPIT |
