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.
Redfish is a common name for a group of different fish, including drums, snappers, and roughies. Like the term panfish, redfish is not exactly a scientific term but has become so widespread in its description for species of fish known for having a reddish tinge in color. Be sure to check out our Snappers section for more detailed information on the vermilion snapper and red snapper.