Psalidodon puka (Mirande, Aguilera & Azpelicueta 2007)

Material examined. 68 exemplars; 38.3 - 56.3 mm SL. CI FML 7931, 68 ex, 27° 12’ 36.21”S; 65° 37’ 22.80”W Pueblo Viejo River.

Identification. Shallow body (33.5-39.8% of SL); short distance between pelvic and anal-fin origins (17.1-20.6 % SL); long caudal peduncle (13.3-16.5 % SL); 36-38 perforated scales in lateral line; 6-5 transverse scales; presence of two series of teeth in the premaxilla with 5 teeth in the inner series; 9-10 gradually decreasing dentary teeth; distally expanded premaxillary teeth; one distally expanded maxillary tooth with 7–9 cusps; short upper jaw length (34.5-37.8 % HL), short maxilla (20.7-23.3 % HL) expanded abruptly under maxillary tooth position; short postorbital distance (36.6–46.9 % HL); dorsal fin with 9 branched rays; 22–27 branched anal-fin rays; vertical or diffuse humeral spot (Mirande et al., 2007).