Copepod Explosion

brclark82

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My tank is 2 months old. Right after my initial cycle I put in a bottle of copepods from Algaebarn. Then a couple weeks ago I put in quite a few bottles from Jay’s Reef Bugs (highly recommend). I have been feeding with Ocean Magik about 3-4 times a week.

I have been looking regularly to see if I can see any swimming around or on the glass and I have never seen a single one over the 2 months.

Well today they are EVERYWHERE. All over the glass on all 4 sides, some areas they are super dense. They’re literal thousands that I can see.

I wonder what the difference to make them all come out literally overnight. I watch my tank pretty often and I swear they weren’t there just yesterday.
 
Is it only a certain species you can see or any type with sufficient number?

I have no idea how to tell the difference between them tbh but all of the bottle I’ve added have have many different species in it
 
When ai ordered aboclypse pods this happened to me after the timing of the first clutches would have hatched, which makes ne think it might have been the tisbees I added a month prior.

They absolutely exploded and were everywhere, but have since dwindled. It seems to come in waves, i think even with a constant abundance of food for them, the combination of using felt filter socks and running UV at night knocked them back down. Right now I dont see very many copepods, maybe like 10 or so on the front flass if I don't scrape, but the isopods and amphipods are everywhere.
 
Mine grow in waves too. I'll see a few and then next day hundreds. When they explode I usually can tell because the glass on my refugium looks a lot more clean.
 
I dont run UV and moved to less micron filter socks to allow them all through and circulate more. My pod population is insane at the moment, even with 2 gobys. I too have seen them dwindle but i either just wait and them cycle back to large populations or I buy a few more bottles and dose. Oh, I have been buying from Florida Reef Labs for years and i can see differences in each species easily in the bottles before adding. I have tried a few other online big name vendors and some of them say they are selling a certain species but put under microscope and not what was ordered. :0
 
I dont run UV and moved to less micron filter socks to allow them all through and circulate more. My pod population is insane at the moment, even with 2 gobys. I too have seen them dwindle but i either just wait and them cycle back to large populations or I buy a few more bottles and dose. Oh, I have been buying from Florida Reef Labs for years and i can see differences in each species easily in the bottles before adding. I have tried a few other online big name vendors and some of them say they are selling a certain species but put under microscope and not what was ordered. :0
I can't find a site for that vendor, I can only find the ICP testing. Interested in checking out their pods
 
I can't find a site for that vendor, I can only find the ICP testing. Interested in checking out their pods
I can't find a site for that vendor, I can only find the ICP testing. Interested in checking out their pods

 
Since copepods experience exponential growth, what you see is not uncommon at all. Tisbe and Apocyclops in particular grow rapidly (egg to egg in 1-2 weeks). If you had 100,000 females that each laid 30 eggs and half survived, you could literally have 15x the population in a matter of days (under the right circumstances). As has been previously mentioned, pods are like any other clean-up crew in your tank, in that their population will rise and fall (rapidly) as resources dictate.
 

IF YOU HAD TO TAKE A REEFING EXAM, WOULD YOU PASS?

  • Yes!

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  • Not yet, but I have one that I want to buy in mind!

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  • No.

    Votes: 26 37.1%
  • Other (please explain).

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