Eigenmannia trilineata López, Castello, 1966

Fig. 17

Body elongated and compressed; greatest body depth contained 4.8 to 5.6 times in TL; head length 7.4 to 9.0, anal-fin base length 1.1 to 1.2, caudal filament length 2.8 to 4.0, preanal distance 5.9 to 7.8 and prepectoral distance 7.0 to 9.1 in LEA; snout length 2.5 to 3.5, horizontal orbital diameter 4.0 to 5.2 and least interorbital width 2.0 to 2.6 in HL. Mouth terminal. Pectoral fin with 16-18 and anal fin with 197-230 rays. Lateral line complete, with 110-122 pored scales. Transversal series above lateral line with 15- 16 scale rows (Campos-da-paz, 1997). Ground color pale brown; four dark-brown longitudinal stripes on flank (one superior medial, one on lateral line, one inferior medial and one at anal-fin base) (Graça, Pavanelli, 2007).

Maximum total length. 265.0 mm TL (Graça, Pavanelli, 2007).

Distribution. Río Paraná basin.