Tenellia kuiteri is a species of sea slug, an aeolid nudibranch, a marine gastropod mollusc in the family Fionidae.
Tenellia kuiteri Wikipedia
This species was described from Green Point, Sydney Harbour, New South Wales, Australia.
Tenellia kuiteri feeds on the sponge associated solitary hydroid Zyzzyzus spongicola. In a remarkable adaptation the cerata have tentacle-like filaments which mimic the tentacles of the hydroid.