Congochromis, a New Cichlid Genus (Teleostei: Cichlidae) from Central Africa, with the Description of a New Species from the Upper Congo River, Democratic Republic of Congo Author STIASSNY, MELANIE L. J. Author SCHLIEWEN, ULRICH K. text American Museum Novitates 2007 2007-06-28 3576 1 16 http://www.bioone.org/doi/abs/10.1206/0003-0082%282007%293576%5B1%3ACANCGT%5D2.0.CO%3B2 journal article 10.1206/0003-0082(2007)3576[1:CANCGT]2.0.CO;2 0003-0082 5388119 9447E641-4CA3-4A29-9F1A-2D71F62411DD Congochromis , new genus Type species: Congochromis squamiceps (Boulenger, 1902) [ Type locality: Lindi , Lindi River , Upper Congo, Zaire (Democratic Republic of Congo) ] . Included species: C. dimidiatus (Pellegrin, 1900) , C. sabinae (Lamboj, 2005), C. pugnatus , n.sp. Congochromis is diagnosed by the following combination of apomorphic features: four pores in the dentary laterosensory canal ( fig. 1 , *3 1 vs. five pores, *3 0 ), absence of a laterosensory canal in the angulo-articular ( fig. 1 , *4 1 vs. *4 0 ), and six pores in the preopercle laterosensory canal ( fig. 1 , *5 1 vs. seven pores, *5 0 ). Fig. 2. Caudal fin skeleton of (A) Parananochromis gabonicus (CU 80730), (B) Nanochromis parilus (MCZ 50202), (C) Congochromis pugnatus (AMNH 237670), (D) C. squamiceps (recorded from a radiograph of IRSNB 13), (E) C. sabinae (recorded from radiographs of AMNH 235651-2), and (F) C. dimidiatus (AMNH 8150). The following combination of features distinguishes Congochromis from Nanochromis : only the last three to five pored scales of the upper lateral line are contiguous with the dorsal-fin base (vs. at least the posterior half of the upper lateral line contiguous); fully scaled nape, and partially scaled chest and cheek (vs. an asquamate nape, chest, and cheek); jaw teeth relatively robust unicuspids, not closely spaced (vs. extremely fine, closely spaced unicuspids); and the presence of a small, supraneural bone (vs. absence).