That is a peacock. I cannot see if there is red on his fins. If so I would say Auloncara Stuartgranti Cobue. If he has orange on his tail he could be Auloncara Stuartgranti Ngara Flametail or Auloncara Koningsi. His eyes are not big enough to be a Auloncara Masoni.
Here is a link to cichlid forum species profiles. It is great for this type of question.