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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Reefkeepers Archive
2500 Club Member
Miami Reef
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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:
www.reef2reef.com
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...
www.reef2reef.com
