A blue maxima clam (<i><a href="//commons.wikimedia.org/w/index.php?title=Tridacna_maxima&amp;action=edit&amp;redlink=1" class="new" title="Tridacna maxima (page does not exist)">Tridacna maxima</a></i>) in aquarium, measuring 6.5 inches (165 mm) in length.
<a href="//commons.wikimedia.org/wiki/User:RevolverOcelot" title="User:RevolverOcelot">RevolverOcelot</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>