I have about a 6 inch orinocensis that seems to "gasp" a lot? He eats great and isn't hanging towards the surface like there is an oxygen deficiency, but he opens his mouth in a gasp like manner like every 20sec I'm not sure that this is normal behavior as this is my 1st p bass. The Oscar that shares the 210 gallon aquarium does not do this except at the front glass when expecting/begging for food.
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