NEW PORT RICHEY — Almost every Sunday, James Renew gets a call from the owners over at Lost Coast Oyster Company. They’ll tell him where in Florida they’re sourcing their oysters from that week: salty bivalves from Indian River Oyster Co. over in New Smyrna Beach, perhaps, or from Treasure Coast Shellfish, just south of the Sebastian Inlet. It’s the same with Tanner Kauffman of Theo’s Harvest, .