Pelvicachromis taeniatus as they mature. Image by Dr. Denis Meuthen - University of Bonn It is common for subdominant males to not display their brightest coloration in the presence of a dominant male. Some species' males, like Chindongo (Pseudotropheus) saulosi, even take on the coloration...

Chindongo bellicosus, formerly Pseudotropheus sp. "Elongatus Aggressive". Photo by Ad Konings A new Lake Malawi mbuna genus has been described and several other species of mbuna have been reclassified. A recent publication by Ad Konings, Shan Li and Jay Stauffer describe a new genus in Lake...