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.
Rocktail is a type of fish that can only be found in the Living Rock Caverns. The Living Rock Caverns are located underneath the Dwarven Mine, which is located under Falador and extends to Ice Mountain. Players need 90 Fishing to catch rocktails and a Cooking level of 93 to cook them. Rocktail are an ingredient in rocktail soup. They stop burning at level 94 only if wearing cooking gauntlets, or while wearing a cooking cape.