I ran into these on a Brazilian Aquarium Forum - They don't know what to ID.
Two different specimens, but very similar...could be coincidence, or could be something else...your thoughts?
One is described as having been captured in a Tributary feeding off of Tocantins.

Two different specimens, but very similar...could be coincidence, or could be something else...your thoughts?
One is described as having been captured in a Tributary feeding off of Tocantins.
