A kind of aquarium structure improvement,A decoration protective shell including being made of legacy TV machine modeling to combination a front cover and a Hou shell phase,The front cover what front forms an open front,And what upper wall sets the transverse opening with upper cover; One aquarium ontology,For one it is opening up carry out the transparent cabinet that uses of cultivation to provide aquatic group,It is set between the what front cover and Hou shell with respect in the position of open front and transverse opening,And it is formed in conjunction with fixed Combination by Hou shell is opposite with front cover; Thereby ingenious combination forms a kind of aquarium with external protection,And decorate protective shell and constituted the decorative effect with pseudo-classic aesthetic feeling altogether with old TV appearance and with aquarium,Intention house device ornaments are provided to use,A kind of atypical ornamental aesthetic feeling of Shui nationality ecology from the point of view of the screen through TV can be formed again,Has multiple use progressive up to winner.一種水族箱結構改良,包括由一前蓋與一後殼相對結合組成舊型電視機造型的一裝飾保護殼,該前蓋於正面形成一前開口,而於上壁設一個具有上蓋的橫向開口;一水族箱本體,為一開口朝上以提供水族類進行養殖使用的透明箱體,其置於該前蓋與後殼之間相對前開口與橫向開口的位置內,而將後殼與前蓋相對結合固定組合而成;藉此巧妙結合組成一種具有外在保護的水族箱,且裝飾保護殼以舊電視外觀而與水族箱共構成具有復古美感的裝飾效果,提供創意居家裝置擺設使用,又能形成一種透過電視螢幕來看水族生態的另類的觀賞美感,具多重使用進步性達成者。