Got a clam question? We've got you covered right here.
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Ellery
Active Member
Just wondering if my lighting may be too intense if my new jumbo maximas' mantels I just got last Saturday don't open all the way. They were open more during acclimation with low light in a bucket. Also is more blue lighting or white lighting preferred? I am running Maxspect Razor 15000K (peak 40%w and 80%B) mounted 8inches above the water on this Mr Aqua 12gallon that's plumbed into my 420g system. I have a H.hippoppus, 1 squamosa, 2 croceas, and 3 Maximas. The derasa on the right either had pm or gaped suddenly Sunday.
I will try yo measure the PAR later.
I will try yo measure the PAR later.
GoPitt88
Pitt Basketball is BACK!
It's funny you said that. I got a Squamosa from Diver's Den about 6 weeks ago, and have noticed the same thing. When the lights are blue at the beginning and end of each day, he isn't opened as much.
mta_morrow
Of course I have room for 1 more fish!
There was a post of some awesome looking clams in the sponsors section 2 days ago.
I’ll see if I can find it
Ellery
Active Member
Thanks I figured that... I read through the 2 books from Featheree and Knopp and thought the same so maybe they are just acclimating still to the intensity. all my other small clams that have been in there longer was fine with the intensity even at close to 100% on both White and Blue. The light is full spectrum but what Kelvin color balance should I shoot for? More on the old Iwasaki MH 6500K or the max of 15,000K with both channels at 100%?
I have a PAR meter but it's an older Apogee made more for Metal Halides than for LEDs but I'll give it a shot in a few minutes.
As far as my 2 Jumbo Maximas I got them from Unique Corals. I had to order twice since the first shipment died overnight but at least it was within the 7 day warranty.
Fiveo124
Community Member
I might have some bad news... sorry. 5 months is in the timeframe that wild Tahitians will start to die. They look good right up until the end while slowly dying the whole time. New shell growth is the only way to be sure that they are healthy and I do not see any. I hope that it makes it, but do not take it personal if it does not since these are VERY hard clams.
About all that you can do is check it for pests like pyram snails - they look like little grains of rice.
About all that you can do is check it for pests like pyram snails - they look like little grains of rice.
You could try a freshwater dip, but I do not think that it will do much. It might kill it, but if it does, it was not going to live long anyway.
Dr. Mac has some evidence that these clams come with the protozoan perkinsus, which eventually gets them in the end. Healthy clams can fight off the protozoan, but they are getting shipped out of water and are too weak to fight it off, but strong enough to survive long enough to be sold.
If I ever get the chance, I want to try some Praziquantel on some wild Tahitians... no idea if the drug will kill them, so it would be a risk. This "should" kill the protozoan if it can into the shell and stuff - no idea if it can penetrate to where it needs to be.
Good luck with it.
Dr. Mac has some evidence that these clams come with the protozoan perkinsus, which eventually gets them in the end. Healthy clams can fight off the protozoan, but they are getting shipped out of water and are too weak to fight it off, but strong enough to survive long enough to be sold.
If I ever get the chance, I want to try some Praziquantel on some wild Tahitians... no idea if the drug will kill them, so it would be a risk. This "should" kill the protozoan if it can into the shell and stuff - no idea if it can penetrate to where it needs to be.
Good luck with it.
pecan2phat
Valuable Member
Interesting.
I used to buy the 5" Maximas from Dr. Mac whenever he would be at a local frag swap or convention 8~10 years ago only to not have any of these wild Maximas survive for more then a few months. I even had lengthy conversations with him when I saw him at a following show about his Maximas.
I remember there was even a lengthy heated debate on his RC vendor forum about his clam's survival rate.
So all these 5" + Tahitian Maximas coming from Unique Corals are falling into this same demise.
I used to buy the 5" Maximas from Dr. Mac whenever he would be at a local frag swap or convention 8~10 years ago only to not have any of these wild Maximas survive for more then a few months. I even had lengthy conversations with him when I saw him at a following show about his Maximas.
I remember there was even a lengthy heated debate on his RC vendor forum about his clam's survival rate.
So all these 5" + Tahitian Maximas coming from Unique Corals are falling into this same demise.
They all come from the same place.
About a decade, or more, ago, the Tahitians were very easy to adapt and did quite well. Then, they started to bring them from the remote islands out of the water and it all went downhill. I guess that most of them get sold to eat, so shipping out of water is OK for this. He stopped selling them eventually.
I do not know why they could not ship them in water again and just change a few francs more for each clam. I would pay $20 more for a healthy Tahitian.
His comments are here and worth a read - start with post #24:
https://www.reef2reef.com/threads/la-dd-clams-going-downhill.369539/page-2
About a decade, or more, ago, the Tahitians were very easy to adapt and did quite well. Then, they started to bring them from the remote islands out of the water and it all went downhill. I guess that most of them get sold to eat, so shipping out of water is OK for this. He stopped selling them eventually.
I do not know why they could not ship them in water again and just change a few francs more for each clam. I would pay $20 more for a healthy Tahitian.
His comments are here and worth a read - start with post #24:
https://www.reef2reef.com/threads/la-dd-clams-going-downhill.369539/page-2
mta_morrow
Of course I have room for 1 more fish!
So, I got my deresa July 7th, 4 months ago
How is this for growth? It’s a good 1/4”.
How is this for growth? It’s a good 1/4”.
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