Assembly type artificial fish reef with triangular steel structure

The invention relates to an assembly type artificial fish reef with a triangular steel structure. The assembly type artificial fish reef with the triangular steel structure comprises a structure assembly and a function assembly, the structure assembly and the function assembly being detachably assembled and connected, wherein the structure assembly comprises a reef body supporting frame, a water-permeable support and a bottom supporting plate, and is made of seawater corrosion resistant steel; the cross section of the reef body supporting frame is a non-right triangle, a fixing support is installed on the reef body supporting frame and is parallel to triangular edges of the reef body supporting frame, the water-permeable support is arranged at the bottom of the reef body supporting frame,the bottom of the reef body supporting frame and the water-permeable support are reinforced through a bottom fixing support, and the bottom supporting plate is welded to the other end of the water-permeable support and makes