Clathria pachystylaClathria pachystyla, the orange finger sponge, is a species of demosponge from the coast of South Africa.DescriptionThis orange sponge grows in an upright and somewhat fan-shaped form growing up to a length of. Fused branches arise from flat blades. It is somewhat compressible and tears with some force.Distribution and habitatThis species is endemic to South Africa, where it has been recorded at a depth of about.