Yaquina Dive Pics - johne
This looks a lot like a Solitary Pink-Mouth Hydroid (Ectopleura marina). I know, it is orange. At the least it is a hydroid. There were a number of these scattered on sub tidal jetty rocks. About 5-7mm diameter.

This looks a lot like a Solitary Pink-Mouth Hydroid (Ectopleura marina). I know, it is orange. At the least it is a hydroid. There were a number of these scattered on sub tidal jetty rocks. About 5-7mm diameter.

Hydroidyaquina