The snail’s shell diameter averages about 22 to 30 millimeters (.87 to 1.18 inches). Each snail’s shell has a unique combination of stripes and colors, so no two are exactly alike. These snails eat ...

If an enemy you were previously safe from turned up in your neighborhood, what would you do? That's a problem currently being faced by barnacles in northern Mexico, which are growing sideways to ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This shell clip was made by Ruth ...