too many copapods.....Is it possible?

Jritter02

New member
Lately when I come home in the morning and put a light inside the tank I'm seeing probably 30-40 on one rock alone. They seem to stay on that rock and on a colony of zoas on that rock. I think they are copapods anyway. If they are, is that normal to have that many? I have a peppermint shrimp I figured would eat them but I'm not sure it us. A few weeks ago someone posted a link showing all the different "creatures" that live in our tanks, what they are, and if they are good or bad. Along with good pictures of them. I can't seem to find that link so can someone help me out? Thanks in advance.
 
Are they small enough they are hard to see without a magnifying glass?

Do they look something like this?
copepod.jpg


I dont think you can have too many. Almost all are beneficial to a tank from my understanding (besides a fewer types of larger isopods)

The kind pictured in the photo here are the kind i have EVERYWHERE in my tank. All they seem to do is make tasty meals for my target mandarin :)
 
Amphipods is what they are. That is the exact link I was looking for. You may have been the one that posted that for me before.
 
Good posts cloak,

The ones everywhere in my tank look like the "Pelagic calanoid copepod" from the second post.

Also have some hydroids appearing here and there on the glass but they dont seem to harm anything. My understanding is that the colonial ones are the ones that are the real problem.
 
I was thinking something was harming My zoas because that colony for a while seemed to not be doing well and looked like it was dying off. After posting about it I found it was normal for them to go thru "mood swings" it's coming back full force now. Just wanted to make sure these little guys weren't harming my tank
 
I was thinking something was harming My zoas because that colony for a while seemed to not be doing well and looked like it was dying off. After posting about it I found it was normal for them to go thru "mood swings" it's coming back full force now. Just wanted to make sure these little guys weren't harming my tank


Have you ruled out zoa eating nudis? If not Google it.
 
I was thinking something was harming My zoas because that colony for a while seemed to not be doing well and looked like it was dying off. After posting about it I found it was normal for them to go thru "mood swings" it's coming back full force now. Just wanted to make sure these little guys weren't harming my tank

I could see the amphipods perhaps crawling over them and irritating them enough to close up for a little bit now and then, they shouldn't be eating them or damaging them though.
 
They are definitely Amphipods. But after going in and staring at the rock I saw 3 zoanthids eating nubis. Looked exactly like the pic above. By the time I got something to suck them out of the tank and came back (30 seconds) they moved down into the cracks of the rock. Looks like I'll be on a new mission.
 
If there are any nudis in the tank is this something that peppermint shrimp will take care of?

I've never heard of peppermint shrimp eating nudibranchs before. There are certain wrasses that will eat these things though. I was able to beat mine by siphoning them out one by one with some airline tubing. They were real easy to spot as soon as the lights came on in the morning. It's was definitely a little tedious, but they're gone now. GL.
 
Sounds like a job for a wrasse to me. (I like having a 6 line wrasse in all of my aquariums.) Check out MUCHO_REEFS zoa dip in the zoanthid forum. I would dunk them every few days for the next couple of weeks (check for egg sacks!) and add a wrasse to help chase down any nudis that you miss with the dips.
 
I don't think a fish is really an option. In a already maxed out from what I'm told. After looking again i think what I saw was a Caribbean fireworm. I've looked a few more times though and didn't see them again. They were tiny tiny when I thought insane something. Guess violinist wait it out. The colony is slowly rebuilding itself the last week or 2 so maybe the issue has been resolved. Ill just wait it out I guess.
 
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