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Tridacnid Clams This forum is for the discussion of Giant Clams. Please post questions, pictures, and information about all the Tridacnid clams here!

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Old 01-19-2004, 09:23 AM   #16 (permalink)
Brucey
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Sorry, I didn't clarify one comment very well. I've also read that if the mantle is over extended, then it's because their not getting enough light. Which is why i wondered if the opposite is true with my fella .... ie, he's in such intense lighting that he doesn't need to open fully. I acclimatised him to his current lighting level by gradually moving him up the tank. PS, Lou has named him Clive !!!!
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Old 01-19-2004, 10:54 AM   #17 (permalink)
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very nice pic.
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Old 01-19-2004, 12:56 PM   #18 (permalink)
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Brucey,
I'm running a single 175 watt AB 10k bulb over the tank, and there is no actinic supplementation. I placed the clams on the bottom for a couple of reasons. I was trying to acclimate the clams to my tanks lighting, so I wanted them in the lowest part of the tank until then. I'm also running to the arts and crafts store today in order to purchase large seashells to put under 'em so they can attach their byssal glands to that. It keeps them happy nad lets me move them wherever I want. I didnt put 'em on the rockwork because I plan on tearing this tank down once my bigger 58 gets stable in 6 months or so. And its easier to re-arrange rockwork when nothing important is growing on one side.
I've seen clams searching for light like you described. I believe the term used is "panning". It looks like there is too much clam and not enough shell. I would think that your clam is getting so much light that it doesnt want to/need to open up all the way. You might try to move it down a bit.
Do you have any pics of Clive?
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Old 01-19-2004, 01:50 PM   #19 (permalink)
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My clam is a Dresa. Check out my thread.
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Old 01-19-2004, 03:12 PM   #20 (permalink)
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Nice looking Derasa Clam Mike!
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Old 01-19-2004, 03:24 PM   #21 (permalink)
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Great looking specimens especially the Derasa ... congrats Nick someday when I grow up and get some real lighting I'll try them
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Old 01-19-2004, 04:18 PM   #22 (permalink)
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Rob,
The Derasa clams are the least light requiring and are classified as "easiest" among clams. If you've got enough light to keep your new BTA, you've got enough light for a clam...
Might have to place it high in the tank though...JMO
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Old 01-19-2004, 05:04 PM   #23 (permalink)
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Nicky boy ..... no pics as yet mate. I don't know why but I just cn't get a clear focus on the guy ..... but he is at the back of the tank so I'm facing through 18" of water. I'll try again later .... even on manula focus it still looks blurred. Brucey
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Old 01-19-2004, 05:41 PM   #24 (permalink)
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Nice ones
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Old 01-19-2004, 06:09 PM   #25 (permalink)
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maxx ..... took your advice my friend. Clive now as a new home. He's been closed all evening and immediatly opened up slightly (see photo) to look at his new surroundings after I moved him. It also looks like his mantle has been nipped at (Yes I have angels and I suspect my Bi-colour, although I have to say I have never seen it). You can see where his mantle has been nipped at, or could something else be doing this. Anyway I hit on a cunning plan and placed him in slightly lower light near Clarky the clown's lair. NO-ONE IS ALLOWED NEAR !!!!!. Clarky isn't at all interested in him so hopefully if he is getting bothered, he can get some restbite.
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Old 01-19-2004, 06:27 PM   #26 (permalink)
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Brucey, thats a good looking lil Maxima! I'm impressed. Hope he opens up more where he's at so you can see more of him.
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Old 05-17-2004, 03:49 PM   #27 (permalink)
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Brucey,

At 1.5 inches, you will need to feed him. They need to be fed phydo and rotifiers (if available) until they are at least 2". I personally feed until they are about 3". Then they are on their own. It is a tough fact of life, but small clams do not have enough zooanthelle in their mantle to survive over the long term - no matter what amount of light you give them. They will eventually use their energy stores and perish. I feed mine every day to every other day. I place my small ones in the bottom of a cut off water bottle. Turn off the pumps, and "fill" the container with phydo from a syringe, until the water has a green tint. In about 30 minutes, the water is clear and I turn the pumps back on. I don't like the process of removing the clam, placing them in a bowl, feeding, and then placing back in the tank.. Seems too stressful for the clam to go through this everyday.
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Old 05-17-2004, 03:55 PM   #28 (permalink)
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Lance,

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Old 05-17-2004, 10:45 PM   #29 (permalink)
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Good info and a great way to feed the smaller clams w/o stressing too much, Lance. Could you post a pic of your cut off water bottle so I can get a better idea of how you do it?
Nick
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Old 05-18-2004, 10:35 AM   #30 (permalink)
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Sure - Not a problem.. I will post a couple.. The single clam, is a Maxima that I have had for a while. It went through the "water bottle" process, until he outgrew it. It is now about 3". The second pic (or however they come out) is of a 5" Crocea and the 1.25" clam in the water bottle. When I feed the 1.25" - I use about 2 to 3 ml of PhycoPure. It is a variant of DT's that is grown and sold here locally.



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