Aggressive Or Playing?

[JayP]

My zebra danios seem to be very aggressive with each other, chasing each other around the tank and being very greedy at feeding time. Is this normal behaviour?

I have ten zebra danios,
Ten neon tetras,
Two dwarf gouramis.

 

[Blondielovesfish]

My danio's are exactly the same, I would say its normal

 

[eaglesaquarium]

Danios are very... boisterous.  The key is to have a nice size shoal (and you do) and that should keep this behavior within that group.
 
Many fish are greedy at feeding time, not many are courteous of others during that time.