who has the biggest gigas clam?

when these clams get bigger, do they all have the stretch mark type of lines on them? I have 1 too and always wondered why these " crack" lookin lines were on it.
 
Nanook said:
I would highly recommend removing those majano anemones from the top of the clam shell. They are going up high for light and in the process, they are stinging the clams mantle which is a very unnecessary stressor. Notice how the clam cannot extend its mantle the way it should?
Click to expand...

:celeb3:Good eye:celeb3:

couldn't agree more!
 
Awesome thread, keep the pics coming. I used to own one of these clams, and I think the sheer size of them, rivals the color of the other smaller clams. IMO, its much more impressive if you have a clam over a foot long, than some 2" one that can get lost in a tank.
 
how about a pic of my hippopus clam???? :D

006.jpg



ok....will try and find pics of my gigas
 
I will tell the owner to remove the nems. May not be easy; the clam can blast water when taking it out. Hits halides and lights out.
 
Not really stretch marks; they are areas with no zooxanthellae and this is a characteristic of gigas. They are in the small ones also I think.
 
Crustman said:
Not really stretch marks; they are areas with no zooxanthellae and this is a characteristic of gigas. They are in the small ones also I think.
Click to expand...

Thanks!

Is there any way to repair these? Or is it just a trait they have. Ill post a pic of my biggie soon . Do u have to link to photobucket to post on here?
 
Crustman said:
I will tell the owner to remove the nems. May not be easy; the clam can blast water when taking it out. Hits halides and lights out.
Click to expand...


You should be able to remove them with the clam still in the water.

I would either try tweezers or shut off the flow and use extremely thick kalk paste.
 
i would not get kalk paste that close to the mantle. of course he'll squirt. but aim him sideways so lights are not in the way.
take clam out of water and take a razor blade/exacto knife carefully to the nems. should take a couple minutes. burp the clam when returning it to the water. no harm. repeat as necessary
 
Easiest way to remove those majano anemones is to take a razor blade and very carefully peel them off the clam at their base. You want to peel them off intact, nice and neat like so they could be planted in another tank...but throw them away!!!

I wouldn't risk kalk or other chemicals and they don't always work on majano anemones anyway. Just carefully remove them with a razor and they will be gone for good.
 
That clam is a clam at a LFS, I think. I used hypodermic needle and injected kalk paste into the pest anemone if I cannot take what ever it on out of the tank. This works every time. I use it on Xenia and tube snails or whatever else I needed to kill also.
For that monster clam, if it was me, I just take it out of the tank and clean up all of the pest anemones.
 
After extensive reading on the subject of lighting for clams, I decided that the best thing to do would be to actually measure the PAR and compare it to what they get in the wild. I could not find any PAR measurements published for Gigas habitats, however there was a study published which measured PAR in locations where maximas and squamosas were living in the Red Sea. The squamosas were found living in areas with as little as 100 PAR, so I decided that since Gigas live at even greater depths anything over 100 should be OK. I bought an Apogee meter and the measured PAR in the middle of the bulbs where my Gigas is. I got a reading of 120 PAR at 27 inches from the surface and 125 PAR 20 inches from the surface where the mantle of the clam is (the lights are 3" from the surface). These are the only PAR measurements I have seen for VHOs online. The bulbs are also 6 months old. Additionally, my clam has grown approximately 5mm in 4.5 weeks (I measured from a chip in the shell so I had a reference). Calcium is 420-480. I feed phtyoplankton daily and dose with ESV B-Ionic 2 part daily and adjust to keep the Calcium above 420. Thus my conclusion based on the >1mm per week growth is that Gigas clams can indeed be kept under VHO's, at depths slightly over 24 inches, with the possibility that the phyto might also be essential. Hope this helps anyone else keeping these clams, and feel free to ask me for updates.
 
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