"* Chromis williamsi (G\u00FCnther, 1894)" . . . "IUCN3.1" . . "* Tilapia williamsi (G\u00FCnther, 1894)" . "The red top williamsi (Pseudotropheus williamsi) is a species of cichlid endemic to Lake Malawi where it occurs in areas with rocky substrates usually at depths of less than 2 metres (6.6 ft). This species can reach a length of 16.5 centimetres (6.5 in) TL. It can also be found in the aquarium trade."@en . . "Red top williamsi"@en . . . "LC" . .