Salinity is an important abiotic factor that limits growth and survival of marine
organisms, especially in shallow waters where light dependant sessile invertebrates
such as corals and giant clams lives. Copper is an anthropogenic pollution known to
be harmful in the marine environment and several sources are found e.g. coastal runoffs
and anti-fouling paint that affects also non-target organisms (Peters, Gassman,
Firman, Richmond, & Power, 1997). Giant clams (Family: Tridacnidae) are distributed
in the Indo-Pacific region. They are endangered mainly due to commercial