Rings of fluorescent dye can be seen each time the oyster larvae has been incrementally dipped in the dye to tag them. (Credit Jason Spires)
Wild oyster sanctuaries are being built all around the Chesapeake Bay. The goal is to give the bivalves a fighting chance since about 99 percent of the population has disappeared over the last century.
To ensure their survival, scientists are devising a very unusual way to track them as Pamela D’Angelo reports.
Virginia Public Radio 