< Topic >The tank for the aquatic organism whose job for recovering and improvement the raising environment of the aquatic organism which includes the recovery of the raising water is easy is offered.SolutionsCase for the soil 56 where computer container 4, it fetches the tank 2 for the aquatic organism, inside computer container and 4 can be laid out possibly, water flow Characteristic possesses and this case 6 the inside framework in filter in order to percolate 10 of the sponge make which can containment 6 and the water and this filter 12 we have with the water wraparound device 14 which can be jointed 12, it has possessed the window part 22 where the inside framework 10 can stick, case 6 Inlaying, up and down penetrates completely.< Choice figure >Drawing 1【課題】飼育水の回復を含む水生生物の飼育環境の回復、改善のための作業が容易である水生生物用の水槽を提供する。【解決手段】水生生物用の水槽2は、本体容器4、本体容器4の内部に取り出し可能に配置されうる、通水性を有するソイル56用のケース6と、このケース6を保持しうるスポンジ製の内枠10と、水を濾過するためのフィルタ12と、このフィルタ12に接続されうる水循環装置14とを備えており、内枠10が、ケース6が嵌着しうる、上下に貫通した窓部22を有している。【選択図】図1
