Black Coral Barnacle

Black Coral Barnacle

Black Coral Barnacle on Wire Coral

Name: Black Coral Barnacle
Scientific Name: Oxynaspis gracilis
Family: Gooseneck Barnacles
Taxonomic: Oxynaspididae
ID Group: Snails, Clams & Shells
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.