![A yellow stingray swims among sea grasses.](https://www.frostscience.org/wp-content/uploads/2016/08/LookCloser-LookCloserGallery-MobileModule.jpg)
Seagrasses are one of the most productive plant communities on Earth; they hold 10 to 100 times more animals than adjacent sandy bottoms.
Seagrasses are one of the most productive plant communities on Earth; they hold 10 to 100 times more animals than adjacent sandy bottoms.