My Clam.

[Av8tor2]

Nice clam, i also have a deresa clam.They move for the first month rotating for optimal flow. Once settled it will not move until you change the flow.

Thanks for the info, I have random flow, so I am going to guess, it will not stop moving

 

[Gumbies R Us]

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Never would’ve thought about making an artificial hinge for a clam haha

 

[OrionN]

Derasa once reach medium size will not attach to anything. IME at about 3-4 inches. They don’t like a lot of flow but as long as the flow does not flip the mantle over, it will be fine. I even keep my Crocea, Maxima and Noae in the think sand so they won’t attach to anything.
they do just fine not attaching to anything in our tank.
My clams in my frag tank

 

[minus9]

Derasa once reach medium size will not attach to anything. IME at about 3-4 inches. They don’t like a lot of flow but as long as the flow does not flip the mantle over, it will be fine. I even keep my Crocea, Maxima and Noae in the think sand so they won’t attach to anything.
they do just fine not attaching to anything in our tank.
My clams in my frag tank
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I love those noae's! I was going to buy one of reddish ones, but couldn't decide. That group of clams were pretty cool, hopefully the people who bought them will post some pics?