Revision of the African cichlid fish genus Ctenochromis (Teleostei, Cichliformes), including a description of the new genus Shuja from Lake Tanganyika and the new species Ctenochromis scatebra from northern Tanzania Author Genner, Martin J. 51EC6157-05BE-41A3-AD99-28107E6F8B5B School of Biological Sciences, University of Bristol, Life Sciences Building, 24 Tyndall Avenue, Bristol, BS 8 1 TQ, United Kingdom. m.genner@bristol.ac.uk Author Hsu, Ling-Lan 950E8249-364F-4719-97A7-20625A0CE82C School of Biological Sciences, University of Bristol, Life Sciences Building, 24 Tyndall Avenue, Bristol, BS 8 1 TQ, United Kingdom. linglan.k.hsu@gmail.com Author Collins, Rupert A. 25B50E29-A643-46DF-BD95-1B28DD17D550 School of Biological Sciences, University of Bristol, Life Sciences Building, 24 Tyndall Avenue, Bristol, BS 8 1 TQ, United Kingdom. rupertcollins@gmail.com Author Smith, Alan M. 55C2640F-E75D-4053-8649-E5ED00E8C170 Department of Biological and Marine Sciences, University of Hull, Hull, HU 5 7 RX, United Kingdom. a.smith@hull.ac.uk Author Saxon, Andrew D. 65B20206-1EA0-4768-965F-F45D36571E4C School of Biological Sciences, University of Bristol, Life Sciences Building, 24 Tyndall Avenue, Bristol, BS 8 1 TQ, United Kingdom. andy.saxon@bristol.ac.uk Author Shechonge, Asilatu H. 54B30AB7-E628-4A71-BDE8-8353C2E0E07F Tanzania Fisheries Research Institute (TAFIRI) P. O. Box 9750, Dar es Salaam, Tanzania. ashechonge@yahoo.com Author Ngatunga, Benjamin P. AEDC8D10-A40D-4C37-910D-8F564BA6E43E Tanzania Fisheries Research Institute (TAFIRI) P. O. Box 9750, Dar es Salaam, Tanzania. bpngatunga@yahoo.co.uk Author Turner, George F. EEE277DC-D33D-4F24-8830-FF07DD514F9E School of Biological Sciences, Bangor University, Bangor, Gwynedd, LL 57 2 UW, United Kingdom. george.turner@bangor.ac.uk text European Journal of Taxonomy 2022 2022-05-11 819 23 54 http://zoobank.org/8415bf78-8949-45aa-9436-3ba3f0caeb2b journal article 55522 10.5852/ejt.2022.819.1775 02a5d778-d054-4731-b306-6906c0f9a425 2118-9773 6544372 8415BF78-8949-45AA-9436-3BA3F0CAEB2B Shuja horei Günther, 1894 gen. et comb. nov. Fig. 5 Chromis horei Günther, 1894: 630 , pl. 58a. Tilapia horii Boulenger, 1899: 122 . Tilapia fasciata tanganaicae Borodin, 1936: 29 . Haplochromis horei – Trewavas 1946: 242 . — van Oijen et al. 1991: 131 . — Wamuini Lunkayilakio & Vreven 2010: 280. Tilapia fasciata tanganaicae – Trewavas 1946: 242 . Ctenochromis horii – Greenwood 1979: 289–290 . Ctenochromis horei – Poll & Gosse 1995: 229 . — De Vos et al. 2001: 130 , 132. — Kullander & Roberts 2011: 362, 369. — Konings 2015: 223 ; 2019: 237 . Fig. 5. Shuja horei gen. et comb. nov. a . Illustration from the original type specimen ( Günther 1894 ). b . A freshly caught specimen collected in 2016 from the Malagarasi River, Ilagala (BMNH 2021.7.15.14). c . Radiographs of the type series (syntypes) from the Natural History Museum (BMNH 1889.1.30.13– 15). Note the prognathous jaw that distinguishes Shuja Genner, Ngatunga & Turner gen. nov. from other genera within the Tropheini Poll, 1986 . Radiographs from the Natural History Museum, London (Creative Commons Attribution License (CC BY 4.0)). Scale bars: 10 mm . Material examined Syntypes TANZANIA • 3 individuals ; near Ujiji ( Boulenger 1915 ), Lake Tanganyika ; BMNH 1889.1.30.13 – BMNH 1889.1.30.15 ( Fig. 5C ) . Additional material TANZANIA • 1 individual ; Malagarasi River , Ilagala ; 28 Jul. 2016 ; BMNH 2021.7.15.14 ( Fig. 5B ) . Distribution Lake Tanganyika and proximate rivers.