so finally got a good look at pelvic fins to confirm, I do indeed have a pair
the pale one (Behemoth, Beemy for short) is female and the dark one (Goliath) is the male.
Dropping some more photos as they've settled and colored up. The male has bolder markings, but the female has so much gold shining through on her to make up for it haha
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These cories make my 55 gallon look small.
So far a little timid, but not too bad. Seem to be getting used to the busy body other cories. Kinda chill in comparison.