Generally:
He looks very much like a common native north american catfish
Colouration:
Black top with slight brown spot under-tones, white belly
Whiskers:
2 longer wiskers on outside, 4 short inner wiskers
Finnage:
All black; short dorsal, trapazoid caudle (tail), triangular anal, rounded ventrals*, solid black pectorals
* look very much like a fish that breeds & then places it's eggs using it's ventrals (as most catfish do

Behavirous:
So far it hides from my oscar... (she's kinda crazy) but the new dither fish have her re-occupied now, it actually spends alot of it's time on the glass, not attached at all, just swimming upwards against the glass & has taken to eating my oscar's chichlid staple pellets (part of the reasons she doesn't like him

Size:
It's about 5"BL, 6"TL right now, I'm not sure how big it will grow - I just picked him up last night

Thanks for any help you can offer

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