squaliusculus, Squalius Kessler [K. F.] 1872:61 [17], Pl. 10 (fig. 24) [Izvestiia Imperatorskago Obschchestva Liubitelei Estestvozaniia, Antropologii i Etnografii v. 10 (no. 1); ref. 14134] Syr Darya [Syr-darja] River at Khodzhent [Leninabad] and Jany-Kurga, Tajikistan. Syntypes: (about 80) SMNS 2389 (2, not found in 1994); ZIN 2074-75 (6+, 6+), 2081 (6+). Type catalog: Svetovidova 1978:262 [ref. 9011], Fricke 1995:11 [ref. 28100], Fricke 2005:33 [ref. 29864]. On p. 17 of separate. •Valid as Leuciscus squaliusculus (Kessler 1872) -- (Berg 1949:563 [ref. 20661]). •Valid as Squalius squaliusculus Kessler 1872 -- (Doadrio & Carmona 2006:200 [ref. 28975]). •Valid as Petroleuciscus squaliusculus (Kessler 1872) -- (Bogutskaya 2002:236 [ref. 26837], Coad & Bogutskaya 2010:37 [ref. 30930], Perea et al. 2010:13 [ref. 31802], Mohammadian-Kalat et al. 2017:487 [ref. 35603]). Current status: Valid as Petroleuciscus squaliusculus (Kessler 1872). Leuciscidae: Leuciscinae. Distribution: Syr Darya drainage, Kazakhstan, Kyrgyzstan and Tajikistan. Habitat: freshwater.