What is this fish????

[Clostrangio]

 

[BlesOne]

Looks Zonatum...

 

[fishman09]

Looks zonatum or bifasciatum


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[notho2000]

Paratheraps sp. 'Coatzacalcos' ('zonatum' variant). Here's a pic of one of my adults. When mine were young they looked just like yours in the pic.
-Jim

 

[Clostrangio]

That is a great looking fish, how old is he/she in the pic? and how can i tell the sex of mine?