This sponge can vary in it's colour, from deep red to orang/yellow. This varies with the location the sponge is found. It tends to be more red in the North Island and more orange/yellow in the South Island and in deeper waters.
This sponge can be found in rock pools, under ledges in the intertidal or in rubble banks of boulders.
A filter feeder, feeding on particles in the water and plankton.
Sponges can either reproduce by budding or by releasing eggs and sperm into the water column to create a planktonic larva which will drift with the currects until it settles onto a hard surface.