Tridacna maxima (Maxima Clam)

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Tridacna maxima (Maxima Clam)

Post  thierry on Fri Dec 31, 2010 5:24 pm

Source liveaquaria.com

QUICK STATS

  • Care Level: Moderate
  • Reef Compatible: Yes
  • Lighting: High
  • Waterflow: Medium
  • Placement: Bottom to Middle
  • Water Conditions: 72-78° F, dKH 8-12, pH 8.1-8.4, sg 1.023-1.025
  • Color Form: Assorted, Blue, Purple
  • Diet: Filter Feeder
  • Supplements: Calcium, Trace Elements
  • Origin:
  • Family: Tridacnidae
  • Insert Date: 30 December 2010


The Maxima Clam is also known as the Small Giant Clam and is one of the most widely recognized species of the giant clams. The beauty of its mantle with its rich variety of patterns and vivid colorations makes for a spectacular display in reef aquariums that are illuminated properly. Maxima Clams are known to live together in great congregations, and they can attain a maximum size of 12” in the wild.
The vast majority of Tridacna maxima available in the aquarium trade are cultured on land based clam farms in the Central and South Pacific. Maxima Clams are found in an endless variety of colors and patterns, and these clams are graded for size, their intensity of coloration, and how complex their patterns are, and then priced accordingly. Larger clams that have the most intense coloration and intricate patterns are much more expensive.

Maxima Clams can be identified by having a more elongated shell that lacks symmetry, with narrowly spaced scutes or scallops on the upper portions of each side of their hinged shells. Like some other members of its genus, T. maxima attach to hard substrate or rockwork with thread like appendages called byssal filaments, and can eventually burrow or bore into porous substrate over time. Maxima clams will arrive either unattached or attached to a small piece of rock or substrate. They will normally attach to a solid surface within a day or so of being introduced into the aquarium, so keep in mind that their first placement should be considered permanent. Never forcibly remove an attached clam from the substrate or rockwork, as lethal damage to their foot and other tissue will be inevitable. As a last resort, to remove a clam from a hard surface gently cut each byssal thread with a razor blade as close to the attachment point of the rock or solid surface, making sure not to slice or damage any tissue.

In the home aquarium, the Maxima Clams require intense lighting to thrive as they contain the symbiotic algae called zooxanthellae, and receive the majority of their nutrition from the light through photosynthesis. Smaller T. maxima that are 2” or less in size are much more sensitive to very intense lighting as their membrane is much thinner than larger specimens. For this reason care should be taken to properly photo-adapt them to the existing reef aquarium lighting in a similar manner to newly introduced stony and soft corals. When adapting a new Maxima Clam to very intense lighting, it is ideal to set them on a small rock or in a plastic dish with coarse substrate at the bottom of the aquarium. Over time the clam can then be slowly moved up higher in the aquarium.

Tridacna clams are also filter feeders and constantly filter the water for small particulates. Maxima Clams larger than 2” do not require supplemental feedings, but smaller T. maxima that are less than 2” should be fed a phytoplankton or greenwater supplement several times per week if maintained in a nutrient poor reef aquarium.

Tridacna maxima are relatively hardy clams, and require intense lighting and good water flow in the home aquarium. Proper water chemistry is very important, and they will thrive when calcium levels of 380- 450 mg/L, alkalinity level of 8-11 dKH, and magnesium level of 1280-1350 ppm are maintained.
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Happy New Year 2011

Post  thierry on Mon Jan 03, 2011 12:45 pm

The very first pictures of the clam. In the first picture there is something visible on the the side of the clam. Hope this aint a sea anemone...

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Sold Fragments

Post  thierry on Thu Jan 06, 2011 3:00 pm

Yesterday I have sold some fragments again. A member from the Zeewater Forum voor Nederland en België, called Bikerdick, wanted to buy the last Red Mushroom fragment and some Kenya Tree fragments.
The anemone which was located on the clam has disappeared, only saw a very satisfied Peppermint Shrimp near it...guess someone had a good dinner :p
We have moved it after the picture was taken, because it keeps getting knocked over. Now it is leaning against the rock.
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Killing and Cleaning

Post  thierry on Fri Jan 14, 2011 1:53 pm

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A week in the life of…

Post  thierry on Thu Feb 10, 2011 11:04 am

I have moved the Maxima Clam a bit again, since it was slowly falling down. Now it should have a more solid underground to stand on.
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Just pictures

Post  thierry on Fri Feb 25, 2011 11:20 am

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Kenya Tree Sold

Post  thierry on Thu Mar 17, 2011 1:47 pm

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Re: Tridacna maxima (Maxima Clam)

Post  thierry on Thu Apr 07, 2011 10:48 am

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Cleaned RSM

Post  thierry on Thu Apr 28, 2011 3:24 pm

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Cleaning 22-6-2011

Post  thierry on Thu Jun 23, 2011 12:14 pm

The Maxima Clam is dead unfortunately Sad
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Re: Tridacna maxima (Maxima Clam)

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