There’s a lot more to the western sand dollar (Dendraster excentricus) than meets the eye. Most people who spend any time at the beach are familiar with the sand dollar’s skeleton, or test—the rigid, white flattened disk that commonly washes … Read more
![sand dollars](https://baynature.org/wp-content/uploads/2007/01/Sand_dollar_Dendraster_excentricus_01-150x150.jpg)