This creation is a kind of aquarium external hanging device for having filtering and bait throwing in mould group, which has the function of filtering and bait throwing in, and the attached extension what aquarium Hou side that can recline avoids generating visual interference to aquarium. The first, second accommodation chamber that there is the storage box of described device left and right to separate, a Water pump and a filter assemblies are equipped in first accommodation chamber, second accommodation chamber is equipped with a bait throwing in component, so as to filtering the cultivation water of aquarium and carrying out bait throwing in feeding to fishes and shrimps automatically. Furthermore, this creation has modular extended function, in addition one refrigerating assembly can be set in storage box, the apical margin of the especially storage box, which extends forwardly into, forms a convex eaves above aquarium, a liftable transparent floating head can be set up on the convex eaves, allow user that can reach purpose that is easy to clean, promoting cultivation enjoyment from top ornamental aquaria.本創作為一種具備過濾及投餌模組的水族箱外掛裝置，該裝置具有過濾及投餌的功能，並能夠貼靠附掛於水族箱後方避免對水族箱產生視覺上的干擾。所述裝置的容置箱具有左右分隔的第一、第二容置室，該第一容置室內設有一抽水泵浦及一過濾組件，第二容置室設有一投餌組件，俾能對使水族箱的養殖水過濾及自動對魚蝦進行投餌餵食。再者，本創作具有模組化的擴充功能，可另外在容置箱內設置一致冷組件，特別是該容置箱的頂緣向前延伸至水族箱上方形成一凸簷，該凸簷上可架設一可掀式透明浮蓋，讓使用者可從上方觀賞水族箱，達到容易清洗、增進養殖樂趣之目的。
