Refers to the main colouration - blue & yellow.

Agnèse, J.-F., L. Chirio, O. Legros, R. Oslisly & H.M. Bhé. 2018.

Unexpected Discovery of six new species of Aphyosemion (Cyprinodontiformes, Aplocheilidae) in the Wonga-Wongué Presidential Reserve in Gabon.

European Journal of Taxonomy, 471: 13, figs. 4E-H.

Males: 4·5 cm, females smaller.

Chromaphyosemion

alpha

Lake Ndaminzé, Northern Gabon.

Currently only known from the type locality - lower Aloumbé River, Northern Gabon. The first description paper refers to 7 collecting localities all within the Awagné River Basin.

Discovered in a lake 1 km long. Fish found near banks in secondary rivers & small streams with sandy botttoms under the shadow of large trees & roots extending into the water. Also collected in small stagnant pools of water with muddy bottoms.
Sympatric species: Unknown Aphyosemion sp., un-named Epiplatys sp., Poropanchax stigmatopygus.

Males have a pale blue anal fin without sub marginal bands.

Type material collected by Laurent Chirio on 13th April 2014.

Clean, clear water is required.