My first clam

moliken said:
threads are attaching seems to me.
Click to expand...

Good, I hope so. I figure I can move the LED spotlight, if necessary, to be mounted almost directly over the clam. That would give it about 500-600 par, based on the charts I've seen. Sounds like a lot to me, but I would inch the fixture down the side of the tank gradually. Might make for one happy clam. A good use for these LED fixtures, finally!
 
You do not need the LEDs on your tank if you dont want them i and many other people keep clams under T5s. I have 3 clams 2 are crocea and one large maxima and use a 6 bulb tek elite. The clams are on the sand in a 24" deep tank.
 
MBIETZ said:
You do not need the LEDs on your tank if you dont want them i and many other people keep clams under T5s. I have 3 clams 2 are crocea and one large maxima and use a 6 bulb tek elite. The clams are on the sand in a 24" deep tank.
Click to expand...

I wonder how the par readings would compare between our two fixtures? How high over the water are your bulbs, if I may ask? Mine are about 36" from the bottom of the tank.
 
There was a very small expulsion of zooxanthellae (I assume) after lights on today. Just a very tiny strand. Is this normal, or a sign of a problem with the lighting?
 
MY bulbs are only 6" above the tank so 30" from bulbs to the bottom of the tank but air really dosent take away a lot of par also why do you have your lights so high off the tank?
The clam expelling zooxanthellae could be from the addition of the LEDs clams will bleach just like coral when to much light is added.
 
MBIETZ said:
MY bulbs are only 6" above the tank so 30" from bulbs to the bottom of the tank but air really dosent take away a lot of par also why do you have your lights so high off the tank?
The clam expelling zooxanthellae could be from the addition of the LEDs clams will bleach just like coral when to much light is added.
Click to expand...

I raised my lights when I changed to new bulbs after about nine months. Then I read a TOTM thread where the aquarium owner uses the same fixture/bulbs and has his about 36" from the bottom of his tank. So, I guess I was trying to emulate that. I have been pondering slowly lowering the lights a few inches, though.

I shut off the LED fixture after about 4 hours today. I'm trying to ramp it up slowly, hope I do it right. I actually like the effect it gives in the tank, so I'll try to make it work.

MBIETZ said:
O and i forgot to mention your clam is sweet I like how it looks fat the color is awesome as well.
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I think it is a healthy clam. I'll do my best to give it a good home. Thanks!
 
Got home today and found my clam top-down on the bottom of the tank (barebottom). Quickly reached in and put him back. I see no signs of injury, and I've heard they close as they fall (if they ever do).

I'm thinking of just placing it on the bottom of the tank now. Upright, that is! :)
 
iwishtofish said:
Got home today and found my clam top-down on the bottom of the tank (barebottom). Quickly reached in and put him back. I see no signs of injury, and I've heard they close as they fall (if they ever do).

I'm thinking of just placing it on the bottom of the tank now. Upright, that is! :)
Click to expand...

I would. My clam is most enjoyable when I don't have to keep worrying about it jumping.
 
ive had a 1-2 inch maxima on the sandbed of a 75 gallon for over a year.....im using t5 retrofit into a canopy (6 bulbs)....i think your fixture is fine
 
Clam seems eager for light, down on the glass. LED is spotlighting it, in this picture:

ClamOnGlass01.jpg
 
Lol, now the clam keeps occasionally snapping shut and rolling over on its side - mostly to just a 45 degree angle, fortunately. Makes a disconcerting noise on the glass. If this behavior doesn't stop, I may have to put it back up into the crevice in the rocks where I originally put it the day I brought it home. Not ideal, but I have no other ideas. :)
 
Here's the clam yesterday evening. I am noticing a slightly lighter color that is hard to capture in the photos without overexposing. I also thought I saw another tiny strand of zooxanthellae being released.

clam_today.jpg


It's back up on the rocks, with good mantle extension, but no way to grab with its foot. I cut the LED light (27" away) back down to 4 hours just now, instead of 8. Should I be concerned about bleaching?
 
OK, here here's this clam...

...and he's a bit unhappy because he keeps getting moved around, and just isn't allowed to settle in. Now he's in a spot where he's wedged in a depression in the rocks, and he can't open his shell quite enough to be satisfied with that. What, therefore, does he do? He PUSHES, and slides one whole opposing pile of rock that is sitting on eggcrate on the bottom of the tank.

Bad photo, with barrel distortion from the lens, but you can still see that the edge of the eggcrate is no longer parallel to the edge of the tank:

moved01.jpg


I moved (grrrrrr) the clam back down to the bottom, put a piece of rock next to him to make it harder for him to lay on his side, and slid the rock around a little bit (it took a bit of effort).

A 5.8 magnitude earthquake couldn't even do what this clam did, lol.

back_down01.jpg


back_down02.jpg
 
moliken, I hope you stop back by...now that the clam has pretty much forced its way down to the bottom, I'm a bit concerned that it won't do well long-term on a surface where it cannot attach (the glass). It has stopped jumping around quite as much, I think. Will lack of attachment be a real problem?
 
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