Rivulus (Cynodonichthys) magdalenae Eigenmann & Henn, 1916

Albornoz-Garzón, Juan G., Conde-Saldaña, Cristhian C., López-Delgado, Edwin O., García-Melo, Jorge E. & Villa-Navarro, Francisco A., 2020, Fishes from the Río Alvarado drainage, Upper Río Magdalena Basin, Colombia, Check List 16 (5), pp. 1181-1198 : 1192

Rivulus (Cynodonichthys) magdalenae Eigenmann & Henn, 1916

Figure 4G

Material examined. COLOMBIA • 11, 16.9–45.7 mm SL; Quebrada La Manjarres ; 04°28′19.3″N, 075°04′26.9″W; 758 m a.s.l.; 19 Sep. 2012; Juan G. Albor- noz-Garzón, Cristhian C. Conde-Saldaña leg.; CZUT-IC 10208 . • 13, 19.9–44.6 mm SL; Quebrada La Manjarres ; 04°28′19.3″N, 075°04′26.9″W; 758 m a.s.l.; 12 Dec. 2012; Juan G. Albornoz-Garzón, Cristhian C. Conde-Saldaña leg.; CZUT-IC 10439 .

Identification. Head scaled, except for cheek. Mouth su- perior. Longitudinal series of scales 40–42. Body col- oration of live males brown, sides of body bluish, from humeral region to caudal peduncle, with a lateral irregular series of red spots. Dorsal and anal fins with red spots on basal half, distal half yellow with thin dark pur- ple band on distal margin. Caudal fin dark purple along procurrent rays, distal portion yellow and white. Pectoral and pelvic fins yellowish. Body coloration of live fe- males brown, with scattered dark blotches along sides. Dorsal and anal fins with dark spots. Pelvic and pectoral

fins hyaline. A dark spot on upper portion of caudal pe- duncle ( Henn 1916).