Looks like sp,coatzacoalcos to me.
Guttulatus, zonatus and the above can be hard to Id as adults,let alone juvies.
I have kept all three in the past and to me sp coatzacoalcos is the one it most closely resembles.
Some sources believe these three are no more than location variants or even natural hybrids. Therefore adding the hobbies interference to the mix, an exact I'd could be impossible.