Help ID this peacock bass

  • We are currently upgrading MFK. thanks! -neo
Does anyone know why my oscar changes color suddenly, flares gills, eyes look wild, opens mouth and goes crazy while attacking the glass? It's like he changes into a different fish all of a sudden. He's a gold color but changes to light yellow. His coloration actually looks good but it's not normal.
 
Does anyone know why my oscar changes color suddenly, flares gills, eyes look wild, opens mouth and goes crazy while attacking the glass? It's like he changes into a different fish all of a sudden. He's a gold color but changes to light yellow. His coloration actually looks good but it's not normal.

Is there a female in there?
 
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