Proudly offering the First and ONLY BAP Four-Star Certified Oysters in the World! Four-star is the highest designation in the BAP (Best Aquaculture Practices) third-party certification program. For “fed” species, four-star signifies that a product originated from a BAP-certified processing plant, was sourced from a BAP certified farm, and has utilized seed (larvae) and feed (algae) from BAP certified hatcheries. BAP’s mollusk farm standards contain many specifications for responsible stocking rates and monitoring of natural feeding processes. BAP has certified Pacific Seafood to offer four-star BAP oysters as opposed to just three-star BAP oysters.