After numerous discussions, the ecotourism project yielded positive results. Photo Credit: Philippe Poppe. But despite the clams’ high adaptability, rising sea temperatures, ocean acidification, and reduced salinity due to climate change and other man-made causes are having dire impacts on their development and survival. Photo credit: James W. Fatherree/Advanced Aquarist. There’s still a lot to learn about the clams, says Conaco, noting that the bivalves adapt well to new environments. MANILA, Philippines — Chinese poachers are making “thousands of dollars” by extracting clams in the Scarborough Shoal in the West Philippine Sea and selling them, a US think tank expert said. Some clam farms raise their animals entirely on land while others transfer their stock to the ocean at the earliest possible time. Some Asian foods include the meat from the muscles of clams. Giant clams’ colors tend to vary depending on areas. Tridacna gigas (True Giant Clam): is the largest Giant Clam with a length of 47 inches (120 cm); thickness of shell up to 4 inches (10 cm); weighs 440 lbs (200 kg), with soft parts of 22 lbs (10 kg); shell has 4-5 vertical folded rips with triangular inward projections at the upper margins of the shell; mantle is mostly golden brown, blue, green, or yellow; anchors on overgrown sponges, corals and algae; unable to close their shells in full. A large Australian government-funded project during 1985-1992 had mass-cultured Giant Clams, particularly T. gigas, at the James Cook University’s Orpheus Island Research Station, that had also supported the development of Giant Clam hatcheries in the Pacific Islands, and in the Philippines (Braley 1988). Especially the (sphincter) meat of the smaller, less tough clams was cooked, fried or dried a delicacy in the food-plan. Retired World Bank Group Operations Analyst. I know that there are many more beautiful pictures out there, but I wanted to feature the Giant Clams living in the Philippines. Back on Samal Island, the day’s watch ends at 5 p.m. for Ruby, Wilma and the other managers of the giant clam sanctuary. Image courtesy of Bolinao Marine Laboratory. I took the photo that now serves as my computer’s background five years ago as a Peace Corps Volunteer. Since Giant Clams are immobile, they adopt “broadcast spawning,” releasing sperm and eggs into the water. It lives in Negros. “There’s so many aspects when it comes to climate change impacts, but to a certain extent … in the next couple of years we’ll probably know more at least for certain stages of the clams,” Conaco says. What are small claims? In Bolinao, in the northern Philippines, they’re brown with green edges; in the prime diving site of Anilao, Batangas, further south, they sport blue spots. A large Australian government-funded project from 1985 to 1992 mass-cultured giant clams, particularly T. gigas at James Cook University's Orpheus Island Research Station, and supported the development of hatcheries in the Pacific Islands and the Philippines. Tridacna squamosa. Even if giant clams can adapt to rising sea temperatures, other factors contribute to low survival rates in their larval stage. Currently, the University of the Philippines Marine Science Institute grows four species of clams: the true giant clam (T. gigas), the smooth giant clam (T. derasa), the fluted giant clam (T. squamosa), and the bear paw clam (Hippopus hippopus). Education: Currently taking her Masters in Legal Studies (American Military University); Masters in Public Administration (George Washington University); Masters in Business Administration (University of Maryland); Post-Masters Certificate in International Finance and Global Markets (Georgetown University). Reduced salinities negatively impact fertilization success and early larval development of the giant clam. In a statement released by Jay Batongbacal of the University of the Philippines Institute for Maritime Affairs and Law of the Sea in DZMM, said marine biologist Ed Gomez was able to invent a process to breed giant clams way back in the 1980s and started seeding the West Philippine Sea for giant clams. Tridacna gigas (True Giant Clam). Mainly the large adults are harvested and killed since they are the most profitable among the clam species (Lucas 1994). MANILA, Philippines — Chinese poachers are making “thousands of dollars” by extracting clams in the Scarborough Shoal in the West Philippine Sea … Even though they may seem similar, it's important not to mix the different types of clams in the same dish, unless you cook them separately. 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