The greens are more expensive but no where close to $50; the orange can be found for a *lot* less; vaguely i think i paid around $8 each.No, they're their own distinct species, separate from aenea. They've never been lumped under that as a synonym either.
And, they'll also cost an arm and leg too.
My old lfs had one of the lasers once, they were charging like $50 each
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Very nice corydoras though, and worth the appreciation