Spongy Decorator Crab

| Name: | Spongy Decorator Crab |
| Scientific Name: | Macrocoeloma trispinosum |
| Family: | Decorator Crabs |
| Taxonomic: | Mithracidae |
| ID Group: | Crabs |
| Size: | up to 2 in. |
| Depth Range: | On the reef (10 – 60 ft.) |
| Sightings: | Seen often |
This Crab has a triangular carapace that is often decorated with sponges and other materials. It can have a variety of colors, often matching the decorations.