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DescriptionA yellow to orange coloured branching-erect sponge which can grow to a height of 10cm. The branches in this species are rarely fused (c.f. Stelligera rigida). It has a bristly surface which often traps particles of silt. This species exudes quantities of slime when taken out of the water. Production of slime in a hairy, free branching sponge is probably indicative of Stelligera stuposa. The species with which it is most frequently confused is Raspailia hispida however this species does not produce slime.