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Thursday, October 29, 2026Oct 29

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Diners’ discarded shells help establish new oyster colonies

This June 29, 2021 photo shows a barge laden with 680 bushels of clam and oyster shells that are about to be dumped into the Mullica River in Port Republic, N.J. (AP Photo/Wayne Parry)
This June 29, 2021 photo shows a barge laden with 680 bushels of clam and oyster shells that are about to be dumped into the Mullica River in Port Republic, N.J. (AP Photo/Wayne Parry) This June 29, 2021 photo shows a barge laden with 680 bushels of clam and oyster shells that are about to be dumped into the Mullica River in Port Republic, N.J. (AP Photo/Wayne Parry)

PORT REPUBLIC, N.J. (AP) – Call it the seafood circle of life: Shells discarded by diners are being collected, cleaned and dumped into waterways around the country and the world, where they form the basis of new oyster colonies.

One of the latest such projects is taking place in Atlantic City, where a casino and two other restaurants are saving the shells left over from their diners. The shells are then collected by the state Department of Environmental Protection, and workers and volunteers with Rutgers and Stockton universities and the Jetty Rock Foundation load them on barges and dump them into the Mullica River.

That waterway is home to one of the last self-sustaining oyster populations on the Atlantic coast, according to Shawn LaTourette, the state’s environmental commissioner. The clam, oyster and other shells form the basis of new or expanded oyster colonies when free-floating baby oysters, known as spat, attach to the shells and begin to grow on them.

“You have the benefit not only of ecological restoration, but it has kept 65 tons of shells out of landfills,” said Scott Stueber, a fisheries biologist with the DEP. That helps the eateries save on waste disposal costs.

The program began in 2019 and currently collects oysters from the Hard Rock casino, the Knife & Fork restaurant and Dock’s Oyster House in Atlantic City. Several other casinos have expressed interest in joining.