We set up and are partners with the collector in French Polynesia. As his exclusive distributor in the US we import thousands of these clams. Clams from French Polynesia are hardy if provided with intense lighting preferably Metal Halide and if you have a well established balanced reef tank.
In the wild many French Polynesian Maxima clams do not have a lot of mantle extension, some do and some do not so this is perfectly normal. All wild collected clams are freshwater dipped and held for two weeks at our collection station before export to us and we then also quarantine them here. All clams are healthy when we sell them.
We keep them in our greenhouse and they receive very intense lighting, we also house some inside our facility under 400 watt metal halide lighting. We have held these at our facility at times for over a year with no mortality, a customer had ordered over a dozen and was then deployed overseas in the military and so we held his clams for over a year until he arranged for them to be shipped and we had no losses and they all looked great. Cultured clams are extremely hardy and do well in most reef aquariums, wild collected clams are hardy but more difficult to keep than the easy to keep cultured clams. Wild collected clams must have very intense lighting to survive.
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All our clams are fully acclimated and quarantined before offered for sale.
GENERAL INFORMATION ABOUT KEEPING TRIDACNA CLAMS
Water Condtions & Lighting
Tridacna Clams need strong lighting to survive long term because they receive most of their nutrition from the products of photosynthesis, we highly recommend 250 or 400 watt metal halide lighting or equivelant, such as intense LEDs. Clams, corals, and all invertebrates require saltwater that has full strength natural saltwater parameters: Specific Gravity 1.025-1.027, alkalinity 8dKH, calcium 450+, Magnesium 1300+. Clams have a better survival rate in tanks that are not the most nutrient poor. Clams do well in tanks where there is a good fish population that are well fed thus resulting in slightly higher nutrients in the water that clams then utilize.
Coloration in clams is greatly affected by viewing angle. All of our photos are 'top down' shots. Color will vary in your tank especially if viewed from the side and under different lighting. Photos shown are accurate in our tanks photographed under T-5 fluorescent lighting or out in our greenhouse under natural sunlight. Due to changes in viewing angles and with so many lighting possibilities in different tanks you may see different coloration.