Identify this pod

[home office reef]

I shined a flashlight in my tank with the lights off. I discovered lots of the same type of critters crawling all over my live rock.

Can anybody tell me what these are? They kind of look like ants and scurry across the live rock. Have lots of legs and two attenea.

It is unlikely I would be able to take a picture of these critters due to their small size, which I would estimate is about 1/4 inch.

 

[reeftankjunkie]

Probably Copepods, or amphipods.

 

[fish scales2]

Sounds like amphipods to me, copepods are so small you cant really see legs.

 

[home office reef]

Close but I cannot make out distinct legs. Kind of like millipede legs. Could this be brine shrimp or do they swim rather than crawl?

 

[salt reefer]

i got millions of the isopods lol . im guesing they good . it looks a little different than the amphipods.