Red Neck ApistogrammaRed Neck Apistogramma Red Neck Apistogramma (Apistogramma macmasteri) The Red Neck form displays vivid red orange coloration on the face, throat, and nape area the defining 'red neck' marking that gives this color form its name. The contrasting yellow body and vivid red facial coloration create an eye catching two tone pattern in males. Apistogramma macmasteri is one of the most commonly kept and widely available apistogrammas, and one of the best