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#1
10-28-2008, 10:32 PM
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Do you have nassarius snails? If your clams aren't firmly attached to a piece of rock a hungry snail can eat a foot in a single night. Since they are burrowing snails they don't even have to come up out of the sand bed for a feast. This will happen if your snails aren't well fed. Little bits and pieces aren't enough. Give them a hunk of shrimp or fish once a week to keep them satisfied and away from your clams.
Found this on reef central wondering if this could be my problem I have lots of these in the tank they came from and have not been feeding them much lately.
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150 Gal system 3'x3' 400W M/H, Bekett skimmer, Dart return,1/4 HP Chiller 180 Gal Drop tank, LED lights, Bubble master 250 skimmer,Hammerhead on a closed loop, Speed wave return. 
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#2
10-28-2008, 11:48 PM
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IME nassarius snails wont attack a healthy clam but they will finish one off that is in distress. you may need to stake out the tank and see what goes on at night.
do your nassarius usually stay submerged in the sand??
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` 120S RR tank with 60G basement sump / fuge Return Pump: Little Giant 4-MDQX SC Water Movement: Seio 1500, (2) Hydor Koralia 4's Lighting: 400W SE MH with 14K Aqua Connect Skimmer: Euro-Reef RS250 with gate valve Other: RODI, RDSB, PO4 / AC reactor
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#3
10-29-2008, 05:07 AM
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Just finished hunting killed two snails on my small clams, and had another look at the two big ones. They are clean but the hole has gotten bigger. I am just downloading them now will post them shortly.
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150 Gal system 3'x3' 400W M/H, Bekett skimmer, Dart return,1/4 HP Chiller 180 Gal Drop tank, LED lights, Bubble master 250 skimmer,Hammerhead on a closed loop, Speed wave return.
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#4
10-29-2008, 06:30 AM
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OK here is a picture looks a bit worse than actual but the hole got bigger.
I don;t think this one will make it.   On a positive note the sps that came on the rock of the last clam I bought went from brown to purple with a green rim.   And my Candy cane is doing real well. 
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150 Gal system 3'x3' 400W M/H, Bekett skimmer, Dart return,1/4 HP Chiller 180 Gal Drop tank, LED lights, Bubble master 250 skimmer,Hammerhead on a closed loop, Speed wave return.
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#5
10-29-2008, 10:08 AM
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that hole is in the shell and called the byssal opening, the foot and byssal organ are usually located inside there. you can actual see the growth lines on the shell conforming to the shape. judging by the size and shape of that opening i would guess that is a crocea. the byssal opening varies depending on species and changes as the clam grows.
my best suggestion is keep on the snail patrol and possibly post a top down pic of the clams, there are many other tell tale signs that may help find any other problems. HTH
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` 120S RR tank with 60G basement sump / fuge Return Pump: Little Giant 4-MDQX SC Water Movement: Seio 1500, (2) Hydor Koralia 4's Lighting: 400W SE MH with 14K Aqua Connect Skimmer: Euro-Reef RS250 with gate valve Other: RODI, RDSB, PO4 / AC reactor
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#6
10-30-2008, 01:36 AM
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Quote:
My snails sleep in the sand but they come out lots especially when I put in food. I love these guys. Here is a shot of the clam today at 6.00 PM I took out a few more snails this morning on my small clams. No snails on this clam though. It does not look like it has a big hole in the byssal but it is not open as much as it was. 
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150 Gal system 3'x3' 400W M/H, Bekett skimmer, Dart return,1/4 HP Chiller 180 Gal Drop tank, LED lights, Bubble master 250 skimmer,Hammerhead on a closed loop, Speed wave return.
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#7
10-30-2008, 10:48 AM
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he does look a little retracted, which could be from the pyramids but also possibly an ALK issue , coral proximity issue or a fish / invert issue.
how is your ALK and CA? how do you maintain it?? any spikes recently or have you started dosing something new?? what fish and invert are in that tank?? is he near any corals that have sweepers or use chemical warfare?? are you running carbon?
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` 120S RR tank with 60G basement sump / fuge Return Pump: Little Giant 4-MDQX SC Water Movement: Seio 1500, (2) Hydor Koralia 4's Lighting: 400W SE MH with 14K Aqua Connect Skimmer: Euro-Reef RS250 with gate valve Other: RODI, RDSB, PO4 / AC reactor
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#8
10-30-2008, 07:03 PM
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It is now in my other tank, but before that he was in the refugium of my SPS tank no fish just some shrooms and zoos. CA MG are at great levels I use IO salt and add CA and MG to bring it up then maintain that with kalk.
I did have both on the high side for a few days 480 on my CA and 1450 on my MG. Now he is in a different tank so will see what happens. He seems OK still about the same this morning. Make me wonder if I should of kept the other one longer It was really retracted though and I did not want it dieing in my SPS tank. No snails this morning.
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150 Gal system 3'x3' 400W M/H, Bekett skimmer, Dart return,1/4 HP Chiller 180 Gal Drop tank, LED lights, Bubble master 250 skimmer,Hammerhead on a closed loop, Speed wave return.
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#9
10-31-2008, 12:48 PM
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try to give as much paramater stability as possible and keep checking for the snails, a new batch of eggs could be hatching as we speak.....
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` 120S RR tank with 60G basement sump / fuge Return Pump: Little Giant 4-MDQX SC Water Movement: Seio 1500, (2) Hydor Koralia 4's Lighting: 400W SE MH with 14K Aqua Connect Skimmer: Euro-Reef RS250 with gate valve Other: RODI, RDSB, PO4 / AC reactor
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#10
11-07-2008, 01:17 AM
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Well I don't think it is going to make it. It is still alive but me thinks it's time to pull the plug.
Any thoughts? No snails for a few days now and I pulled a big crab yesterday. 
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150 Gal system 3'x3' 400W M/H, Bekett skimmer, Dart return,1/4 HP Chiller 180 Gal Drop tank, LED lights, Bubble master 250 skimmer,Hammerhead on a closed loop, Speed wave return.
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