Amphipod?

[jabberwock]

Pretty sure that is what it is, but confirmation would be good. Looks like babies and adults.

 

[dwest]

I’m not an expert but guessing copepods. Good guys.

 

[EricR]

Looks more like some kind of isopods to me but could be wrong.

 

[jabberwock]

I’m not an expert but guessing copepods. Good guys.

The legs had me wondering, and then I look up the prefix "amphi". It means, on both sides.

 

[IKD]

Agree with amphipods