sentences:  The species feeds primarily on zooplankton, by means of specialized, suction feeding action and highly protrudable mouth.The species was described in 1960 by Thomas Derrick Iles as "Haplochromis borleyi", and was later moved to "Copadichromis" by David Eccles and Ethylwynn Trewavas.The species is also known under the synonym "Cyrtocara borleyi", and is occasionally sold under the trade name of "Haplochromis granderus".