Black Coral Barnacle
| Name: | Black Coral Barnacle |
| Scientific Name: | Oxynaspis gracilis |
| Family: | Gooseneck Barnacles |
| Scientific Family: | Poecilasmatidae |
| Source: | WoRMS AphiaID 421104 |
| Size: | up to 0.5 in. |
| Depth Range: | Various depths (0 – 130 ft.) |
| Sightings: | Seen sometimes |
This small Barnacle has a shell colored reddish-brown to dark gray. Its shell has a noticeable raised bump on the back where the two sides come together.
Black Coral Barnacles are found attached to Black Corals. They often form small clusters and may be partly hidden when sponges grow over them.