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Derasa clam dies in less than a day?

I had a derasa for about 8 weeks, and looked to be doing well until this afternoon after work. I noticed it was receded into its shell, I had to leave to do a few things, I came back a few hours later and its hermit crab/emerald crab food. I did dose very lightly with phyto, I hate adding alot of extra stuff to the water. Im just confused because I figured I see some sort of distress, last night I was thinking to myself that the blue was really starting to pop again. I had it under a Nova Extreme, and recently upgraded to an ATI Sunmodule. It was 10 days ago though. Is it possible to have too much light for a clam, or maybe I shocked it?
 
What watts were the lights before and after, and how far is it from the lights? Clams do go fast when they go though, atleast the ones that didnt make it for me did
 
what size was the clam? under 3" they do need to be fed whether you want to or not.deresa clams dont need as much light as others. mine is on the sand bed for 2 yrs. now.
 
Nickjr000 said:
What watts were the lights before and after, and how far is it from the lights? Clams do go fast when they go though, atleast the ones that didnt make it for me did

I agree. The ones I had went VERY fast when they went.
 
Audi0s said:
I hate adding alot of extra stuff to the water.

Me too.  If clam was over 3" you should be ok on light alone.

Audi0s said:
Is it possible to have too much light for a clam?

No

Audi0s said:
Is it possible I shocked it?

Seriously doubt it, if you are referring to light shock, which is what I am assuming.


Hard to pinpoint cause.
 
Unfortunately it happens to the best of us:

http://www.advancedaquarist.com/2009/3/aafeature1

I do not dose phyto as I have no interest in keeping tube worms or vermetid snails alive. With my luck I dose phyto and those unintentional hitchers live, and the pretty feather duster dies.

The latest book by fatheree disputes the notion that clams require food. The people who keep stressing that food is needed are people like Dennis Tagrin of DT's.
 
They were both 4x24w t5s, ATI is just more powerful with better reflectors. The clam was about 8 inches from the light, had him high up bc of the weaker Nova, and was going to see his reaction to the new light, which I thought was good. Like I said his blue fringe really was bright blue, and the pinks were showing. I guess I shouldve fed him when I feed the flame scallop in the other tank, which is once every 5 days or so, 3mls. I thought they were ok with light. Hes about 3 inches Id say. Once again, I feel selfish for killing something. Although this is the only the 3rd death in about 6 months, which Im not implying is good, I can only imagine how hard the entire population of the ocean has been hit throughout the years, simply from hobbyists(sp?) alone.
 
Hawkeye said:
Unfortunately it happens to the best of us:

http://www.advancedaquarist.com/2009/3/aafeature1

I do not dose phyto as I have no interest in keeping tube worms or vermetid snails alive. With my luck I dose phyto and those unintentional hitchers live, and the pretty feather duster dies.

The latest book by fatheree disputes the notion that clams require food. The people who keep stressing that food is needed are people like Dennis Tagrin of DT's.

I totally agree. Ive had clams of all kinds and sizes through the years and never fed anything in the tank but the fish. Lost 2 out of prob 10 or so.


Audi0s said:
They were both 4x24w t5s, ATI is just more powerful with better reflectors. The clam was about 8 inches from the light,

def not the light then
 
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