I also am not convinsed that it is either, but I think it is Corydoras and not Brochis. I also think it is a possible Corydoras aeneus. The flirty look in the first pic--not very scientific I know--is so typical of the way an aeneus looks at you. The dorsal and color just don't look right. It looks like a young C. aeneus lady to me. The Brochis is much deeper chest to back than the Cory.
Here are some good pics of several B. spendens swimming with a larger species of Corydoras
The last 2 or 3 pics are the B. multiradiatus.
The one with the emerald sheen without the spotty apperance are the Brochis. See the pinkish belly that Cory_Dad is referring to.
C. aeneus thunail from PlanetCatfish catelog
Some flirty looks of my lf bronze/ aeneus
a juvie lf aeneus
The longer fins on these aeneus are not typical.
a regular bronze juvie
While the full grown size of each is 3", the aeneus is slimmer in the tail/back half than the Brochis which is stockier throughout.
There are several varieties of C. aeneus with different color morphs. I am inclined to think that your photo was taken with a lot of light which is causing the almost albino look to your sweet Cory.
None of my C. aeneus are the greener variety. They are the bronze variety.
You may be able to see from these pics that the Brochis dorsal goes farther down the back than the Cory dorsal. That is because the Brochis has extra rays.