Aquarium lamp bracket assembly

An aquarium lamp bracket assembly, comprising:

• a bracket comprising an elongated base frame, a coupling tube located at a front side of said base frame, a coupling hole axially defined in said coupling tube, a longitudinal opening cut through the periphery of said coupling tube and kept in communication with said coupling hole, a positioning means located at the inner perimeter of said coupling tube within said coupling hole, and a clamping member extended from a back side of said elongated base frame and defining a clamping mouth for fastening to a glass panel of an aquarium housing;
• and
• an adjustable lamp tube holder comprising a pivot shaft inserted into said coupling hole in said coupling tube and kept in friction engagement with said positioning means, a lamp tube holder shell for holding a lamp tube, and a neck connected between the periphery of said pivot shaft and a back side of said lamp tube holder shell and inserted through said longitudinal opening of said bracket.