| Aspect: | Pink, dense growth of dichotomously growing tubular branches. Most branches endings are Y-tipped |
| Population: | Common. |
| Notable feature: |
Due to the fact that the branches are calcified and therefore rigid, it is easy to instinctively take this for a some variety of tubular worm. Not to be confused with much nimbler Pink Segmented Alga. |
| Environment: | Usually found in shallow, quiet waters. |
| Behaviour: | - |