A coral frag plug holder and system includes a main body and an interchangeable attachment device. The main body includes a first main end and a second main end. The first main end includes an opening configured to receive a coral frag plug. The second main end includes a main connector. The interchangeable attachment device includes a first attachment end and a second attachment end. The first attachment end includes an attachment connector configured to connect to the main connector of the main body. The second attachment end includes an attachment means configured to attach to a surface of an aquarium. Wherein, when the attachment means is attached to the surface of the aquarium, the attachment means positions the main body on the surface of the aquarium, whereby, coral frag plug is positioned on the surface of the aquarium.
