What would be a good top level fish?

[GiantFishKeeper101]

But anableps anableps, the four-eyed fish, is a brackish species.

They also inhabit freshwater. Depends on the collection point. I think Derek's fish got sell em

 

[FESHMAN]

Clouded archers

 

[celebrist]

If you want a small group you could also go with rasbora caudomaculatus (giant scissor tail) I have been very satisfied with mine

 

[arkmann]

I found a red tail calcheus today. Boring fish... haha!