| Oregonia gracilis | |
|---|---|
| 1855 illustration of Oregonia gracilis by James D. Dana | |
| Oregonia gracilis from California covered with sponges | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Crustacea |
| Class: | Malacostraca |
| Order: | Decapoda |
| Infraorder: | Brachyura |
| Family: | Oregoniidae |
| Genus: | Oregonia |
| Species: | O. gracilis |
| Binomial name | |
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Oregonia gracilis Dana, 1851 |
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| Synonyms | |
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Oregonia gracilis, commonly known as the graceful decorator crab, is a species of crab belonging to the family Oregoniidae. Like other decorator crabs it habitually attaches other organisms to its back as camouflage or to warn off predators.