What are some physical characteristics of an red sponge ulosa hispida?

The red sponge, scientifically known as Ulosa hispida, typically exhibits a vibrant red coloration, which can range from bright crimson to deeper shades. It has a porous, irregular surface with a rough texture, often featuring small, spiky projections. This sponge can vary in size, typically appearing as a mass or clump that can reach several centimeters in diameter. Its structure allows for water flow through its body, aiding in feeding and respiration.