Intensity can also be considered as the brightness or dullness of a color. Intensity is adjusted by adding additional colors to the pure hue. A color can be made less intense by adding gray to the color. In some ways, intensity can be measured by the amount of gray in the hue.
Making the world better, one answer at a time. The rocks in a drum fish head are a sort of over developed hearing aid. They are called otoliths, and are actually a bone formation, and are similar to the inside of oyster shells or freshwater muscles. Both freshwater and saltwater varieties of the drum have these, and were used in olden times as jewelry or good luck charms.
What is Live Rock Live rock is a major decorative element of the saltwater aquarium and provides nescessary shelter for many marine inhabitants. The different names of rock refer to the island locations where the rock was collected from, such as Fiji live rock, and Tonga live rock.his is simple by either adding your live rock first with your live sand, and waiting a 14 to 28 days till 0 ammonia shows upon water testing; or you may place the live rock in a container with saltwater and a small powerhead for water movement.