Tridacna species Clams
are the only members of the Mollusk Family to possess the symbiotic algae,
zooanthellae. This enables them to utilize natural sunlight as their energy
/ food source. Its this internal algae that minimizes their need to rely
on filter feeding and is what gives their mantle the exotic colorations.
There are actually nine species within this family of Giant Clams.
Temperature - 72 to 80 degrees Fahrenheit
Lighting - full spectrum, 12-14 hours per
day (fluorescent, VHO or metal hallide)
Salinity - ideal specific gravity is 1.023,
acceptable range is 1.020 - 1.025
Ph - ideal Ph is 8.2, acceptable range is
8.1 - 8.3
Current - moderate
Feeding - no special requirements due to
symbiotic zooxanthellae algae.
Supplements - clams thrive with the addition
of calcium supplements
Compatability - completely non-aggressive
Life Span - a well cared for specimen will
live up to 10 years
on the species below for additional information.
Thanks to Gerald
Heslinga and Harbor Aquatics
for the pictures