Taklobos/Giant Clams is located in Alaminos, Pangasinan, Philippines.

The Giant Clams or locally known Taklobos is regarded as the world’s largest bivalve mollusks which extends over a meter and can weigh over 225 kg. The massive size is a magnificent attraction to visiting tourists who dive or snorkel in the area. These Clams are also endangered and through a concerted effort established by the University of the Philippines Marine Science Institute (UPMSI), they started replanting clams in some parts of the park which is strictly protected and prohibited from divers or snorkelers in those areas.

Source:

1stphilippines.com