Derasa Giant Clam (South Pacific) Sponges This coral receives most of

This coral receives most of its energy by utilizing the photosynthetic algae contained within its tissues

and it can also absorb dissolved nutrients from the water

from falls due to incorrect placement

often with two colors or a much more intensely saturated color than usual

and their bodies become a deeper aqua to turquoise

Derasa Giant Clam (South Pacific) Sponges This coral receives most ofThe Tridacna clams are exquisitely colored, very uncommon and highly sought after. They make incredible display animals and thrive under reef conditions. They are peaceful and do not bother any other animal. If threatened they can close their shell tightly. Healthy animals should have a strong response if shadowed or touched, although once established they may become conditioned and show less inclination to close. They will attach themselves to rock