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Old 04-01-2006, 09:20 AM   #1 (permalink)
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Little white bug looking things

I have a 125g reef tank about a month old. 75lbs of live rock, 80lbs of base rock, 15g sump, ev-120 skimmer. ect... Livestock about 40 hermit crabs, 60 snails, and 3 colwns. Everything has been working out good so far levels all good. But today I noticed on the glass some very small free swimming white bug looking things. I don't know what they are. If they are a problem Ild like to fix it now before I put any more live stock.

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Old 04-01-2006, 09:47 AM   #2 (permalink)
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I had those guys show up in my tank about a month ago. What you are most likely seeing are Copepods and/or Amphipods.

here's some more info.

http://saltaquarium.about.com/cs/pes...a/aa061200.htm

These are the favorite food of my pygmy angel.
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Old 04-01-2006, 11:24 AM   #3 (permalink)
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Thank You! That is just what they look like.
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Old 04-01-2006, 11:53 AM   #4 (permalink)
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No problem. I got freeked out the first time I saw them. It was nice to know it was a good sign not a bad one.
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Old 04-01-2006, 02:37 PM   #5 (permalink)
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Yes, and these are the perfect food for fish such as mandarins. So, looks like you're off to a good start. Let them proliferate to a hardy population before adding any fish that rely solely on the source of them.

Welcome to Talking Reef, btw, to both of you! :-)
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Old 04-01-2006, 04:54 PM   #6 (permalink)
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Yep, these are great for the system. In fact, to keep a large, healthy population in my tank for my mandarin, I put small lenths (5"-6") of 1 inch PVC behind the LR to provide safe havens from the fish. I have around 10-12 pieces of this PVC and every time I shine a flashlight in them - I see swarms of the little critters.
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Old 04-01-2006, 05:58 PM   #7 (permalink)
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yes, this is similar to the idea of a "pod pile"
a tightly backed pile of reef rubble rocks.

allows a safe place to the pods to reproduce..
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Old 04-10-2006, 09:46 PM   #8 (permalink)
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Hello everyone, well its nice to know that this is a good sign. I also just setup my tank a little more then 1 month ago and I saw these guys crawling over the tank. I would like to naturally keep them in check but I'm curious as to what natural predator of copepods/amphipods are available to Marine Aquarium with aggressive fish such as the ones within my tank (the list of my inhabitants is below in my signature). If anyone has any suggestions please let me know. My girlfriend would love if a Mandarin Goby could be added safely. :-)
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Old 04-10-2006, 10:02 PM   #9 (permalink)
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honestly you dont need to worry to much about specifically getting a predator to control them. i have never heard of a case where they have really become troublesome in a FOWLR tank
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Old 04-10-2006, 10:11 PM   #10 (permalink)
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Quote:
Originally Posted by Rob
honestly you dont need to worry to much about specifically getting a predator to control them. i have never heard of a case where they have really become troublesome in a FOWLR tank
What if I'm interested in eventually converting my Fish Only with Live Rock Aquarium to a Reef with Polyps, Sponges and other corals down the road. Will they cause an issue or should I still not worry?
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Old 04-10-2006, 10:17 PM   #11 (permalink)
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99.9% of the pods are extremely beneficial to all marine tanks.
there have been rare cases where pods that lack sufficient food (detrius) have been reported to munch on some corals, but this is so rare i would not even give it a second thought
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Old 04-10-2006, 10:18 PM   #12 (permalink)
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It's very unlikely you will have to control your pod population. Most mandarins starve since they can't get enough pods in a tank. But since you have a large tank, a mardarin is possible after the tank is fully established- 6 months to a year old at least.
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Old 04-10-2006, 10:23 PM   #13 (permalink)
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Quote:
Originally Posted by gwen_o_lyn
It's very unlikely you will have to control your pod population. Most mandarins starve since they can't get enough pods in a tank. But since you have a large tank, a mardarin is possible after the tank is fully established- 6 months to a year old at least.
as long as you dont have anything that would try and eat it..
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Old 06-29-2006, 08:15 AM   #14 (permalink)
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how do copeods and amphpods gt in the tank in the first place? Do they just show up once their is a food source like enough detritus???
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Old 06-29-2006, 10:18 AM   #15 (permalink)
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they are usually introduced from your LR, or seeded using something like ocean pods
which i used to seed my new fuge
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Old 06-29-2006, 10:24 AM   #16 (permalink)
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