Id this thing

[superdave07]

It king of curls up, has two tentacles and there's like 4 of them, ugly ID please thanks

 

[Pynuse]

Copeopod. It's a good thing. Normally seen at night. They help break down waste load before it turns to nitrate.

 

[mr_X]

that's actually an amphipod.

 

[superdave07]

that's actually an amphipod.

Are they good for my system

 

[mr_X]

yes. they are harmless scavengers.