Cyrtocara moorii. Photo by Brian Gratwicke , CC-BY-2.0 . Another species of cichlid that grow a hump on their head is Cyrtocara moorii from Lake Malawi. The nuchal hump is similar to that of the Cyphotilapia frontosa from the previous blog, but these fish have no relation and are an example of...

Young Katria katria. Photo by Dave Hansen. Endemic to the Nosivolo River in Eastern Madagascar, Katria katria is a species not often seen in the hobby. Originally classified as Ptychochromoides katria, K. katria was given its own genus in 2006. Males can grow up to 6 inches and will develop a...