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Zoanthid feeding question 1/14/14
Coral Feedings 6/13/2011 Zoanthus care 11/4/05 Hello, Do zoanthids eat live Nanochloropsis phytoplankton? <Zoanthus feed on zooplankton.> What's the best stuff to feed these corals? <Any type of small meaty foods, though with sufficient light source and a waste source in the tank (fish) these corals can thrive without to many direct feedings.> Thanks, Zoo Zoo <FYI its Zoa' not Zoo' ;) and you are welcome, Adam J.> <<Common misstatements/misperception here. Thanks for the FYI, Adam. Marina>> Feeding zoanthids Hey! I'm new to the home salt tank world (only 6 gal), << That is small, very small. >> you guys have been an info bible! Thanks in advance. I have some zoanthid polyps and was wondering-> How long can I leave the power-head off while I feed polyps << Well for an hour... I guess??? I'm not sure I would turn the powerheads off. I would just use a pipette or eye dropper and just squirt some food on them. >> (I have 2 fish and some inverts too)? I work for an aquarium, so I have access to (Pacific cold water only) brine larvae, copepods etc, what's best? << I'll say copepods but any food in that size range is great. >> How often to feed, small feed each day? << I'd feed them one little squirt every week or so. >> << Blundell >> Yellow polyp feeding Hey Bob, So, I just started adding my first coral per say to my tank, and I've started with a colony of yellow polyps and some button polyps well I think that's what the second ones are) Anyway, I read about feeding the yellow polyps and I want to confirm a few things... Stats: I have a small colony of about 20 yellow polyps in a 25 gal min reef with a 32W power compact retrofit on an eclipse hood. All my nitrites and nitrates are 0 on account of about 10lbs of live sand mixed with about 10lbs of fine crushed coral all together with 25-30lbs of live rock. Tanks about 1 1/2 years old and has a Skunk back Pseudochromis and bicolor blenny. and a 9hr light cycle on my light timer So.... my questions are, is the lighting fine for the polyps, i.e. is 9hrs enough? <Yes> In feeding the polyps, I have some frozen mysis and brine shrimps, which I feed to the fish, and I noticed that the polyps close up and then re-open, and one actually caught a whole shrimp during the feeding. Is this an example of them catching food, or being upset by the frozen food? <The former> (I'm assuming they are catching what they want, but I wanted to make sure) Last, how often should I feed them? Do you think they are getting enough when I feed the fish? <Likely so... with careful observation you will be able to tell if they're "getting enough"> or should I mash up some of the shrimp as squirt it at them like I've read some places? (Including your site) <Not necessarily... practice for now> Oh, and one more last question, What do you think would be better for my tank, a Rusty Pigmy Angel, or a Flame Angel if I want to get clams eventually? <About the same. Bob Fenner> Thanks!!!! David RE: Yellow polyp feeding thanks for the help! they look like the grew already!!! How often do these little guys multiply? <How much? Indefinitely... given food, space, a lack of predators, competitors... slowly though... doubling only every several months in colony size. Bob Fenner> Thanks a bunch David Brown Button Polyps (Zoanthus sociatus) closed! Hello everyone! <Cheers, my dear... Anthony Calfo first one back from Germany/Interzoo. My batteries are recharged, the buzz from gallons of seriously tasty beer has worn off and I am ready willing and able to relieve/assist my fellow crew members left holding up the fort!> I feel I am beginning to get back on track here on the Cape. I've been reading and testing and adding to my systems water. The numbers are beginning to look better. I do have another problem cropping up though. My Brown Button Polyps (Zoanthus sociatus hasn't been looking too good for about 2 weeks now. Lots of the trumpets are staying closed a lot of the time. I have 2 questions about this: (1) Can coralline algae encroach on them and kill them? My rock is covered with Maroon Coralline (Peyssonnelia sp.) and it is on the rock with my polyps. <not at all likely/possible. This/most cnidarians are far more aggressive> (2) I have recently been feeding the polyps black worms. I suck up the worms with a turkey baster and stuff their mouths. Is this a bad thing? <not at all a bad idea... the direct feeding route is generally the best for inverts that feed organismally/particles. However, your choice of food is a problem. Even rinsed of freshwater... there is still inevitably freshwater contained within the prey that is unnatural if nothing else. If you suck them up in a baster from a freshwater slurry it is that much worse. And more importantly it is an inferior food source alone since it is not of marine origin. Let me suggest that you feed small whole prey or finely shredded meats of marine origin like mysids, Gammarus, krill, zooplankton etc. And thaw in a solution of saltwater for baster feeding> Maybe they are digesting, hence the long period of closed polyps? <nope> Thanks guys for your work and knowledge. I'd be lost with out you!!! <that still doesn't explain how/why we are still lost ourselves...ha!> Pamela <kind regards, Anthony> Zoanthids Good Morning Bob, Anthony and the rest of the WWM crew. <Steven pro this morning.> Let me start by saying Bob I bought your book "The Conscientious Marine Aquarist" and keep it close by. <As do I.> Now my reason for writing today is this, I have a colony of button polyps, brown and then green, under actinics. These little guys were gorgeous while in my 55. A few months ago I wrote you about transferring to my new 125 *reef one day* Still building :) anyway I did all the things you said I should and still almost 5 months into it they haven't opened all the way in sometime, now here's my dilemma. *I have many* My tank specs are as follows. 125 6ft standard tank 220 watts of compacts on each side (running day and actinic) and in the morning and evening blue moons are on. a huge sump with an AMiracle skimmer putting out a good amount of yucky stuff. I keep a log and biweekly I add essential elements and weekly sometimes every few days I add calcium, stron-mag, iodine. my tests read as follows. Amonia-0 nitrate always reads 5 or less very small trace of it nitrite-0 ph-8.2 CA- 450. <The above sounds ok> Now My LFS sucks so I have to drive an hour away to one I trust (Rehobeth beach) I went there this week to talk to them and get something new for my tank (coral) but they said maybe I should check for phosphates, so I spent the money for the test kit and for the remover in case, and guess what *0-PHOSOHATES* needless to say I was happy about it but mad as I wanted this little piece of rock with 6 different corals on it :( so after this long book to you I'm praying that maybe the best *you guys at WWM* can shed some light on the problem. I have moved this colony around all over every few weeks to darker spots then brighter spots, <There is your problem. It takes "corals" time to acclimate to different lighting conditions and every time it is just about ready, you become discouraged and more it in an attempt to encourage the polyps to open. Please, select a good place and leave it there.> I run wavemakers in the tank but they are not in the fast current of it, I feed phytoplankton 2 times a week, <These polyps do not eat phytoplankton.> now last but not least they are on a huge piece of rock (I'd say about 20 inches long and about 8 inches wide) all my mushrooms are happy, even a baby rose anemone came as a ride along on live rock has grown so much in just a few months, also coralline algae growing on glass and such I have about 75 red and blue leg crabs and the red legs crawl on that piece of rock a lot, in fact so do the others and the snails. Please help as I'm really wanting to add new corals but I am leery due to the Zoanthids. I have about 150 lb. of live rock in there, will be adding another case soon. <150 pounds in a 125 sounds about right to me.> As always thanks in advance, it's always a pleasure speaking to you all. Sincerely, Robin <Have a lovely weekend! -Steven Pro> Re: Zoanthids Good Morning Steven, <Morning> Wow so all this time I'm just adding stress to them :( <Yes> I feed phytoplankton due to all the other filter feeders in the tank. <It can be beneficial to feather dusters, clams, and some leather corals to name a few.> So how long does it take usually for them to adjust as you say. <Depends on how well you matched their conditions (lighting, water movement, etc.). I would wait one month without any moving around.> I want to add more corals just a bit leery about it. Thanks as always your the best! Take care and have a great weekend! Robin <You do the same. -Steven Pro> How to feed zoanthids? Bob, Antoine, Steve and J (which means??) Greetings! I bought a little colony of zoanthids, they look like the ones you have in zoanthids section. http://www.wetwebmedia.com/Cnidarians/Anthozoans/ZoanthidPIX/ZoanthidAQ5.jpg (this photo belongs to you) So, my question is: How can I properly feed this little fellows! I read through your FAQs about feeding but I can't understand how those little things can eat a bit of shrimp! <It is all a matter of relative size. Nothing bigger than a mysis shrimp, for smaller ones the Sweetwater Zooplankton (daphnia) are an appropriate size.> They really need additional food giving by my hand or they can manage the food issue by themselves. <Better to target feed vs. dumping large amounts in and hoping they get some, in particular if you want to maximize growth.> Thanks a lot. Carlos |
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