The utility model relates to an aquarium fish separating groove structure.It includes a fixed frame and a fish box.The fixed frame has a frame body.One side of the frame body is provided with a transverse clamping groove and a longitudinal clamping groove with a predetermined angle clamped with the transverse clamping groove.The frame body is penetrated with a plurality of sliding grooves.The fish separating box has a box body.One side of the box body is fixedly provided with a plurality of limit pieces.The stop pieces are respectively inserted in the chutes of the fixed frame.At least one fish groove is arranged inside the box body.The box body is penetrated with a large number of through holes.In this way,The fixing frame is hung on the back of the aquarium with the longitudinal or transverse clamping groove.The fish compartment immersed in the water will naturally float up and the top of the compartment will be exposed to the water.After that, the fish can be put into the fish compartment to achieve the function of separate feeding.一種水族箱隔魚槽結構，包括有一固定架與一隔魚箱，該固定架具有一架體，該架體一側具有一橫卡槽以及一與該橫卡槽夾有預定角度的縱卡槽，該架體並貫穿有複數滑槽，該隔魚箱具有一箱體，該箱體一側固設有複數限位件，各該限位件分別插設於該固定架的各滑槽，該箱體內部則具有至少一隔魚槽，該箱體並貫穿有大量箱體貫孔，藉此，將該固定架以該縱卡槽或該橫卡槽掛置在水族箱後，浸在水中的該隔魚箱會自然上浮而使該箱體頂部露出水面，後即可將魚放入該隔魚槽內來達到分隔飼養的功能。
