is this a Clarki?

[sassAwrasse]

Hello.

We were sold these as Clarki. We believe they are in the Clarki complex but not quite sure exactly what they are.
Please help ID..

 

[that guy]

it's a clarkii all right

 

[brittanysmith18]

Definitely a clarkii, just a slightly darker coloration, which could be from highly nutritious food.