Question: What type of molluscs did the returning restaurants serve after Schultz Preserve was restored in 1995?

Context paragraphs:
Kimchi burger: A kimchi burger is a hamburger that includes kimchi in its preparation.  Several restaurants serve kimchi burgers as part of their fare, including restaurants in South Korea, England and the United States.  McDonald's restaurants in South Korea serve kimchi burgers.  In addition to kimchi burgers being prepared using ground beef, they may be prepared using seafood, such as salmon.  Kimchi burgers are sometimes topped with an egg, and may include additional ingredients such as mayonnaise, barbecue sauce and cilantro, among others.

The World's 50 Best Restaurants: The World's 50 Best Restaurants is a list produced by the British magazine "Restaurant", based on a poll of international chefs, restaurateurs, gourmands and restaurant critics.  In addition to the main ranking, the Chef's Choice list is based on votes from the fifty head chefs from the restaurants on the previous year's list.  The top restaurants are often forerunners of molecular gastronomy.  Most of the restaurants serve haute cuisine, which is characterized by the meticulous preparation and careful presentation of food.

Ambelopoulia: Ambelopoulia is a controversial dish of grilled, fried, pickled or boiled songbirds which is a traditional dish enjoyed by native Cypriots and served in some Cypriot restaurants.  It is illegal in Cyprus as it involves trapping wild birds such as blackcaps and European robins. Trapping kills birds indiscriminately, thus internationally protected species of migratory birds are killed as well.  Enforcement of the ban has been lax, so many restaurants serve the dish without consequence.  As a result almost 2,418,000 birds across the whole of Cyprus are estimated to have been killed during 2010.  According to a BirdLife Cyprus report released in 2014, over 1.5 million migrating songbirds are killed annually, and the number is increasing each year.  In 2015 it is estimated that over 2 million birds were killed including over 800,000 on the British Territories.

Paradise Group Holdings: Paradise Group Holdings Pte Ltd is a Singapore-based restaurant group incorporated in 2008 by Eldwin Chua, and Edlan Chua.  The company's restaurants serve a variety of Chinese cuisine.  Their brands include Seafood Paradise, Paradise Inn, Taste Paradise, Paradise Dynasty, KungFu Paradise, Paradise Pavilion, One Paradise and Canton Paradise.  In 2015 the company operates restaurants are currently in Singapore and in Malaysia, Indonesia and China.

Golden Nugget Pancake House: The Golden Nugget Pancake House is a chain of family restaurants originally launched in Florida but now operating exclusively in Chicago, Illinois.  The restaurants serve breakfast 24 hours a day, and their decor generally has a Western motif.

Water Grill: Water Grill comprises three restaurants in California in the United States.  The restaurants serve seafood.  The original location is in Los Angeles.  Two additional locations are in Santa Monica and San Diego.  It is owned by King's Seafood Company.

Oyster: Oyster is the common name for a number of different families of salt-water bivalve molluscs that live in marine or brackish habitats.  In some species the valves are highly calcified, and many are somewhat irregular in shape.  Many, but not all, oysters are in the superfamily Ostreoidea.

Schultz Preserve: Schultz Preserve is a 120 acre nature preserve south of Gibsonton, Florida in Hillsborough County, Florida.  It is managed by Hillsborough County and includes estuarine and freshwater wetlands, artificial reefs, and coastal lands in the northern part of Port Redwing.  It was purchased by Southwest Florida Water Management District in 1995 and restored.  Oyster bars and seagrasses have returned.  It is named for Tampa Bay’s first Audubon Society game warden.  and is maintained by Hillsborough County.  The area offers picnicking, fishing, canoeing, kayaking, snorkeling, bird watching and nature study opportunities.  The preserve is part of the Alafia River watershed.  It is being considered for a ferry terminal.

Taco Bus: Taco Bus restaurants serve Mexican food in the Tampa, Florida area.  The restaurants began as a popular food truck on Hillsborough Avenue.  A second location followed on Central Avenue in St. Petersburg, Florida and a restaurant was added on Franklin Street in downtown Tampa.  Taco Bus opened their fourth location near USF on Fletcher Avenue.  Rene Valenzuela is chef and owner of the business.  A location in Brandon at 311 South Falkengburg is scheduled to open in spring 2013.  The USF location was reported to be open 24 hours.

Organ of Bojanus: The organs of Bojanus or Bojanus organs are excretory glands that serve the function of kidneys in some of the Mollusca.  In other words, these are metanephridia that are found in some molluscs, for example in the bivalves.  Some other molluscs have another type of organ for excretion called Keber's organ.

Supporting paragraphs: Schultz Preserve Oyster
Answer: salt-water bivalve