They can be considered as plants. They realized the photosynthesis of the ultraviolet spectre of light as source of energy.
Tauloon can´t move, as ordinary plants, but if they get injured, they can´t regenerate any of their parts.
Organisms like namdiams extract part of the energy they need from these kind of creatures with their long tongues. In defense, they usually protect themselves by having spikes and thorns around their bodys.