What are these shrimp looking things?

[Sick_man]

So i dipped my goni in some Melafix Coral Dip and these two things came out. I don't think they are copepods because they are at least twice the size of the ones I see in my tank. Any clue what it is? They look like little shrimps and but I really am unsure whether or not they are copeods. Also, the strangest thing is that the goni did not care when I took it out of the water. Its already retracted a litte bit since its night but it did not retract any further even after shaking it around in the dip. However it closed a little when placed back into the tank.

 

[Sick_man]

Forgot to add pic

 

[sixty_reefer]

Amphipods

 

[Sick_man]

Amphipods

I'm assuming they are good? Wish i didn't kill them...

 

[...]

Yes, amphipods are good. But they do hunt copepods and it only two of them anyways.