katria, Ptychochromoides Reinthal [P. N.] & Stiassny [M. L. J.] 1997:362 [Ichthyological Exploration of Freshwaters v. 7 (no. 4); ref. 22780] Below Zule's village, about 12 kilometers east-northeast of Marolambo, 19°59'S, 48°15'E, Nosivolo River, Tamatave Province, Madagascar. Holotype: AMNH 217739. Paratypes: AMNH 217740 (17, 9 c&s), 217741-42 (36, 6). Plus non-type material. Type catalog: Fricke et al. 2018:250 [ref. 35805]. •Valid as Ptychochromoides katria Reinthal & Stiassny 1997 -- (Sparks & Reinthal 2001:119 [ref. 25365], Sparks 2002:547 [ref. 26376], Sparks 2003:324 [ref. 27400], Sparks 2004:9 [ref. 27850]). •Valid as Katria katria (Reinthal & Stiassny 1997) -- (Stiassny & Sparks 2006:52 [ref. 28788], Sparks & Stiassny 2010:45 [ref. 30695], Sparks et al. 2012:17 [ref. 32021], Fricke et al. 2018:250 [ref. 35805]). Current status: Valid as Katria katria (Reinthal & Stiassny 1997). Cichlidae: Ptychochrominae. Distribution: Eastern Madagascar. Habitat: freshwater.