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DescriptionAn erect, squat sponge that grows up to 10 cm in height and is bright yellow, verging on orange at the margins. The branches fuse to form variable stubby finger-like shapes. The surface is velvety due to unevenly projecting skeletal spicules and looks as if it is dusted with small yellow particles. The sponge has a firm consistency and does not contract when out of water.