There were huge schools of silversides in this area. The yellow and reddish fish is an anthias. The fan was about 7 feet high. These huge fans are truly breathtaking to see. They are firm like a sturdy shrub with some sway in the current. It's hard to believe that they are an animal (coral). See also Red and White Fan Scene from the same region.
This image is available to 9 x 14.