Green with Green Polyps (Aquacultured at Reef Systems Coral Farm, Inc.) Size: 1.50" - coral comes mounted to our concrete discs. Lighting: Moderate to High WaterFlow: Moderate to High Color: Green with Green Polyps Origin: Bali Aquacultured: Reef Systems Coral Farm, Inc. (Farm Raised since 2005) Scientific Name:Acropora yongei Common Name: Green Slimer