Fishes from the Río Alvarado drainage, Upper Río Magdalena Basin, Colombia Author Albornoz-Garzón, Juan G. Author Conde-Saldaña, Cristhian C. Author López-Delgado, Edwin O. Author García-Melo, Jorge E. Author Villa-Navarro, Francisco A. text Check List 2020 2020-09-18 16 5 1181 1198 http://dx.doi.org/10.15560/16.5.1181 journal article 10.15560/16.5.1181 1809-127X Creagrutus dulima Albornoz-Garzón, Conde-Saldaña, García-Melo, Taphorn & Villa-Navarro, 2018 Figure 2G Material examined. COLOMBIA • 10, 30.7–65.8 mm SL; Río Alvarado-Chucuní ; 04°27′56.7″N , 075°03′46.7″ W ; 697 m a.s.l. ; 19 Sep. 2012 ; Juan G. Albornoz-Garzón , Cristhian C. Conde-Saldaña leg.; CZUT-IC 10225 . • 20, 29.3–56.3 mm SL; Río Alvarado-El País ; 04° 27′37.9″N , 075°07′45.2″W ; 909 m a.s.l. ; 19 Sep. 2012 ; Juan G. Albornoz-Garzón , Cristhian C. Conde-Saldaña leg.; CZUT-IC 10368 . Identification. Third infraorbital not in contact with the preopercle. Lateral line complete, with 35–38 pored scales. No lamellar flaps over pores of lateral line scales. Anal fin short with 9–12 branched rays. Pelvic fins with short hooks on rays (usually shorter than the width of the branched rays). Eye diameter: 21.8–26.8% HL. Body with dorsal portion with dark reticulated pattern formed by pigmentation concentrated on distal portion of scales. Dark humeral blotch vertically elongated. Middle cau- dal-fin rays without a dark horizontal stripe (Albornoz- Garzón et al. 2018).