Tridacna gigas (Giant Clam) Tridacna gigas (Giant Clam) Illustration of Tridacna gigas (Giant Clam), which is classified Vulnerable by the IUCN due to overharvesting. molluscs, Animalia, Mollusca, Bivalvia, Heterodonta, Euheterodonta, Cardioidea, Tridacninae, Tridacna gigas, Giant Clam, taklobo 2012-05-16 image/svg+xml Tridacna gigas (Giant Clam) 2012-05-16 Integration and Application Network https://ian.umces.edu/media-library/tridacna-gigas-giant-clam/ https://ian.umces.edu/media-library/tridacna-gigas-giant-clam/ en-US molluscs, Animalia, Mollusca, Bivalvia, Heterodonta, Euheterodonta, Cardioidea, Tridacninae, Tridacna gigas, Giant Clam, taklobo Illustration of Tridacna gigas (Giant Clam), which is classified Vulnerable by the IUCN due to overharvesting.