PlanetCatfish.com

It looks like Erthrinus sp and also like Hoplias, but i am sure it is not any of those because this one have not grudges.
Please help me to ID this!... thanks in advanced!

It's a goby, some sort of sleeper.
oxyeleotris?

This is Eleotris picta.

Before Siluris said what it was, i was going to suggest Eleotris vittata.