File name: Calcifiers_Montage1.png Original Resolution: 740 × 240 File Size: 992 KB (MIME Type: image/png) Date Published: February 26, 2013 Download file View image caption Calcifying organisms come in many shapes and sizes. Crustaceans, such as the blue crab shown at right, and shellfish, including oysters (left) and mussels (center), are popular favorites at any seafood restaurant.