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.
Live Rock is rubble that has broken off a coral reef structure by natural means such as hurricanes and tropical storms. This broken off rubble is called live rock because of all the living organisms that are found on and within the rock.he many holes and crannies in this rock give it a tremendous amount of surface area for the beneficial aerobic (needs oxygen) and anaerobic (does not need oxygen) bacteria to live on. This is what makes saltwater live rock such a great biological filter for your tank.