Colpophyllia amaranthus
- kingdom: Animalia
- phylum: Cnidaria
- class: Anthozoa
- order: Scleractinia
- family: Mussidae
- genus: Colpophyllia
- species: Colpophyllia amaranthus
Saint Croix
Saint Croix Island
Virgin Islands, U.S.
Colpophyllia amaranthus Saint Croix