Roeboides loftini Lucena 2011

Distinguished from other species of the Roeboides guatemalensis-group by the number of perforated scales on the lateral line (83-100), body depth (31.8-36.1%), predorsal distance (49.1-51.9%), number of scale rows above the lateral line (20-22), scale rows around the caudal peduncle (27-30), scale rows below the lateral line (20-24), and the shape of the humeral spot (slightly rounded extending over 5-7 horizontal rows of scales and 5-8 vertical rows and with tenuous, short extension on the anterodorsal portion).Description: Dorsal fin rays i+9; anal fin rays iv-v, 45-50; pectoral fin rays i+12-14; pelvic fin rays i,7 (Ref. 87931).

Dorsal soft rays (total): 10; Vertebrae: 38