SPS Corals
The Small Polyped Stony corals (SPS) have small polyps on a calcareouss skeleton which can be either branching or plated. SPS are coral which are usually more difficult to keep than the LPS or soft corals and should not be considered a beginner coral.
![Salty Underground: SPS Corals for sale](https://www.saltyunderground.com/c/11-category_default/sps-corals.jpg)