Mangarahara cichlid (Ptychochromis Insolitus). (c) ZSL Researchers are celebrating after an urgent global search turned up a female mate for a fish that is on the brink of extinction. In May, aquarists at ZSL London Zoo launched a worldwide appeal to find a female Mangarahara cichlid (Ptychochromis Insolitus), a fish that was feared to be […]