Blackwood is a unique type of wood that provides a great contrast to your plants. It stands out against lighter-colored substrate and seems to enhance and make your fish look more vibrant. It also provides a perfect living environment for plecos and other fish. Many plants, such as anubias, mosses and ferns, can be attached to blackwood creating truly breathtaking aquascapes. With its gnarly and impressive branches, Blackwood can be a centerpiece for your aquarium.