Flatworms, Caulerpa, herbivores, and a 75G

Beau is hosting the January Meeting this coming Saturday the 14th at 6PM.  It will be BYOB as well as a snack to share and raffle items are always welcome.  It has been requested that there be “NO SHOES” on the carpet due to it being a whitish color.

He doesn’t have a tank to view but we will have plenty to discuss in hopes that it will get the NEW YEAR off to a good start.  The annual membership fees are due, so now would be a good time to get them in to our Treasurer Stacey Hahn.   Fees are $20 per individual or $25 per family

Attendance was low at the election meeting in November and no votes were taken at December’s meeting so we have decided to take votes for anyone that didn’t get the opportunity in November and will be attending this meeting.  
We will add the votes to November’s ballots and the announcement will be made during the meeting so we can go forward.
NOMINATIONS:
President:  Jim & Nacho
V. President: Ed, Bo & Daniel Leigey
Treasurer: Stacey
Secretary: Carmen & Angie

Let’s hope the New Year brings new members, returning members and new ideas.  The club is always willing to take suggestions to get the most out of the hobby we all enjoy.

Please PM Nate C. by clicking here for directions if you are not a club member.  

Club members can click here to go to the club member only forum to get directions.

Hope to see you all there!

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[psa]

I'm finally tearing down my SPS tank to clean out the flatworms and grape caulerpa.

Two drops of Flatworm Exit in a half-bucket of saltwater with a tiny powerhead seems to take out the flatworms within half an hour.  I treated a random sampling of inverts (snails, brittle stars, clam, montipora, acropora, zoos, lps, a couple rocks) this way for one hour and then removed them to a clean tank (cycled with mostly bare live rock for a couple months).  So far everything looks good.  The tiny brittle stars did not like the treatment much, but I can't tell if they survived yet because they are such good hiders.  Despite my attempts to rinse everything off before treatment, the water in the bucket was full of hundreds of dead flatworms, and a number of dead, tiny white starfish that I didn't even know I still had in my tank (they've never been seen near the SPS).  Apparently stars are highly sensitive to flatworm exit or dying flatworms.

The other major pest in my tank is caulerpa.  Despite my best efforts at physical removal, it all seems to come back from the rhizoids.  Most of the rock in the tank has been touched with it by now.  As part of my moving process I'm physically removing as much of it as I can, but I fully expect to see it spring back up in its new home.

I've heard that tangs will sometimes eat this caulerpa, but I do not keep any currently.  For reasons relating to the structural integrity of my floors, my largest running tank is 75G.  (Yes, I still need to do something with that ninety-some gallon tank in the garage).

Does anyone have experience with tangs or other fish eating caulerpa like this?  Are there any other fish/critters I should look into?  Are any of these appropriate for my 75G mixed reef tank?  I really don't want to have to sterilize all of the rock from the affected SPS tank.

Thanks for any input you can provide.
-Paul

[Rico]

Paul,

Try putting a piece of live rock in the microwave and cook for about 2 minutes.  This should effectively kill all the calurpa.

The toxins from the dead flat worms may have killed the star fish.  The toxins will turn the water yellow.  Les loss several fish due to a flat worm die off in his tank.  The clue was the sudden color change to yellow of his water coinciding with the death of the fish.

Rick

[psa]

Try putting a piece of live rock in the microwave and cook for about 2 minutes.  This should effectively kill all the calurpa.

Of course, I'm hoping to avoid killing these rocks if I can... 

The toxins from the dead flat worms may have killed the star fish.  The toxins will turn the water yellow.  Les loss several fish due to a flat worm die off in his tank.  The clue was the sudden color change to yellow of his water coinciding with the death of the fish.

Which is why I'm taking the separate-and-treat-in-quarantine approach, rather than taking a chance on nuking the tank with toxic flatworms.  So far I've treated and moved about half of the corals with good success.  I think the new tank needs stronger lights, though...

Thanks for your comments.

[MartyK]

Paul - This reply may be to late, but I've had a yellow tang in the past that liked to eat grape calerpa. I don't think he ever kept up with the growth.

[The Apprentice]

The other major pest in my tank is caulerpa.  Despite my best efforts at physical removal, it all seems to come back from the rhizoids.  Most of the rock in the tank has been touched with it by now.  As part of my moving process I'm physically removing as much of it as I can, but I fully expect to see it spring back up in its new home.

I've heard that tangs will sometimes eat this caulerpa, but I do not keep any currently.  For reasons relating to the structural integrity of my floors, my largest running tank is 75G.  (Yes, I still need to do something with that ninety-some gallon tank in the garage).

Does anyone have experience with tangs or other fish eating caulerpa like this?  Are there any other fish/critters I should look into?  Are any of these appropriate for my 75G mixed reef tank?  I really don't want to have to sterilize all of the rock from the affected SPS tank.

Thanks for any input you can provide.
-Paul

Hi Paul have you ever heard of a Tomine Tang I have  one in my 75 and he does a good gob of working to local algae he wont touch Hair algae but these are a very small breed of the Bristletooth species the bad points to these guys is cost and they are a bully to any blennys you may have in the tank check out the link good luck..Jeff

http://www.liveaquaria.com/product/prod_Display.cfm?pCatId=334

[Nate C.]

Our Yellow and Powder Brown Tangs both love the grape caulerpa we had.  They would strip them to bare stalks within hours of adding them to the tank from the fuge.  Unfortunately the feather caulerpa overran the grape in the fuge, so we don't have any to give them these days.