Posted on Twitter by Steve Vilnit, who is the Director of Fisheries Marketing for the Maryland Department of Natural Resources.
h/t to David Shiffman.
Want to know what oysters do for the environment? The water in both tanks is the same. The one on the rt has oysters. pic.twitter.com/jLeZ2RRAqo
— Steve Vilnit (@SteveVilnit) October 18, 2014