Looking for seashells is a popular pastime at many coastal Fish and Wildlife Service sites. But some ban collecting of anything, including empty seashells. Some states, like Florida, prohibit removing any live creatures.
Nearly every seabird on the planet now eats plastic. Fish are eating microplastics — tiny beads found in cosmetics, lotions and toothpaste. Toxic chemicals bind to microplastics, and fish swallow these, too. When we eat the fish, we also swallow the microplastics and the toxins.