Tridacna derasa (Southern Giant Clam) is a species of mussels in the family Cardiidae. They are listed as vulnerable by IUCN and in cites appendix ii. Dead Southern Giant Clam form shallow marine sediments. They are surficial modifiers. Individuals can grow to 60 cm. They have sexual reproduction. They are sessile animals.
EOL has data for 33 attributes, including: