PROBLEM TO BE SOLVED: To provide a water tank decorative body which reduces the frequency of cleaning of the water tank and facilitates cleaning thereof while increasing an appreciation effect.SOLUTION: The decorative body 1 to be laid at a flat bottom in the water tank 10 includes: a foundation members 2 each made of a resin or an inorganic material, having an upper surface open in a box shaped along the inner circumference of the water tank in a plane view a floor member 3 having a plurality of through-holes 31 in the thickness direction in a plate shape wherein the upper surface is decorated similar to a water bottom in the natural world and placed on an opening end face of the foundation member, for covering the upper surface of the foundation member and a rock member 4 formed similar to the rock in the natural world so that a lower surface follows the upper surface of the floor member, if necessary.COPYRIGHT: (C)2012,JPO&INPIT【課題】鑑賞効果を高めつつ、水槽の掃除の頻度を減らし、また掃除をしやすくする水槽装飾体を提供する。【解決手段】水槽10内の平坦な底に敷かれる装飾体1であって、いずれも樹脂又は無機材料からなり、上面が開口し、平面視で水槽の内周に沿う箱状をなす基礎部材2と、厚さ方向に多数の貫通孔31を有し、上面が自然界の水底に似せて装飾された板状をなし、前記基礎部材の開口端面上に載せられて基礎部材の上面を覆う床部材3と、必要により下面が前記床部材の上面に倣うように自然界の岩に似せて形成された岩部材4とを備えることを特徴とする。【選択図】図2
