The petco deresa clams are so easy ime, this is mine, got him when he was around your size 2 years ago? Now he is like 6 inches across. The sand bed where he is at is getting around 100-150 pars. Survived tank crash, got nipped by a fish, alk swing, u name it.
New clam from Petco
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Derasas are the easiest tridacna to care for.
They need moderate light. Nothing too extreme. About 125-225 par will be fine.
They do not need phytoplankton. That is a myth. They receive their nutritional needs from their symbiotic zooxanthella (photosynthesis).
In the ocean, Derasa clams are nested in sand. If you have a deep enough sand bed, you can gently push about an inch of the clam into the sand.
Derasa clams will survive in standard reef water quality:
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They need moderate light. Nothing too extreme. About 125-225 par will be fine.
They do not need phytoplankton. That is a myth. They receive their nutritional needs from their symbiotic zooxanthella (photosynthesis).
In the ocean, Derasa clams are nested in sand. If you have a deep enough sand bed, you can gently push about an inch of the clam into the sand.
Derasa clams will survive in standard reef water quality:
Optimal Parameters for a Coral Reef Aquarium: By Randy Holmes-Farley
[note: edited on 5/29/2022 to update the nitrate and phosphate sections with higher recommended levels.] One of the main roles of an aquarist with a coral reef aquarium is to ensure that the conditions are right for their tank inhabitants. There...
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The OP clams is a Derasa. It will not make any significant attachment. It is best leave on the sand as long as the light is bright enough. As long as the tank water condition to be reasonable and bright enough light it will be fine. Feeding is not need, and it won’t help if condition is not optimal.
You need to make sure it does not have parasitic snail infection which is very common, and they it does not has PMD which is fatal if untreated. There are writeup on both of these common condition that kill many clams. I post the links below
Pinched Mantle Disease
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Parasitic snails
www.reef2reef.com
You need to make sure it does not have parasitic snail infection which is very common, and they it does not has PMD which is fatal if untreated. There are writeup on both of these common condition that kill many clams. I post the links below
Pinched Mantle Disease
Diagnosis and Treatment of Pinched Mantle Disease in Giant Clams.
Introduction It was almost 20 years ago when I first introduced the Fresh Water Dip (FWD) protocol for the treatment of Pinched Mantle Disease (PMD). Over the years, many reefers altered the protocol somewhat but, on the whole, it still is the only tried and true way to treat PMD, a universally...
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Parasitic snails
How I deal with Pyram snails, the Giant Clam parasitic snails.
How I deal with Pyram snails, the parasitic snails that infected and kill Tridacna Clams
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