I think it will. Keep in mind that Acarichthys (as with most of the geophagine) do get more colorful as they grow. The fish I buy from my LFS tend to look about 50% as good in their tanks as they do when I get them home and comfortable/stress free. The one in the pic above is just very small.
ok thanks everybody, I see pix of adult Heckelii and I am always wow'd
and japes could I keep 6 in a 6'x18" with a medium gold severum and 6 silver dollars?