Peixes da planície de inundação do alto rio Paraná e áreas adjacentes: revised, annotated and updated Author Ota, Renata Rúbia Author Deprá, Gabriel de Carvalho Author Graça, Weferson Júnio da Author Pavanelli, Carla Simone text Neotropical Ichthyology 2018 2018-06-11 16 2 1 111 journal article 10.1590/1982-0224-20170094 f68fe85c-2a4c-4625-b684-74f61398d6c2 1982-0224 3678395 Odontostilbe avanhandava Chuctaya, Bührnheim, Malabarba, 2018 Fig. 10 Body elongated; greatest body depth contained 3.5 to 4.1 and caudal peduncle depth 8.7 to 11.7 times in SL; head length 3.4 to 4.4, predorsal distance 1.8 to 2.1 and caudal peduncle length 9.0 to 12.0 in SL; snout length 3.3 to 4.3, horizontal orbital diameter 2.2 to 2.6 and least interorbital width 2.7 to 3.8 in HL. Mouth terminal; premaxilla with 5, dentary with 7-10 teeth (narrow, with central cusp much longer than lateral ones), and maxilla with 2 teeth. Lateral line complete, with 26-30 pored scales; transverse series above lateral line with 4½-5 and below with 3-3½ scale rows. Dorsal fin with 10-11, pectoral fin with 11-12, pelvic fin with 8-9, anal fin with 20- 22 and caudal fin with 19 rays. Ground color whitish; silvery longitudinal band (dark-brown in preserved specimens), from pseduotympanum to caudal peduncle; black rounded blotch on posterior portion of caudal peduncle and caudal-fin base. Fins hyaline to yellowish ( Graça, Pavanelli, 2007 ). Maximum standard length. 50.0 mm ( Graça, Pavanelli, 2007 ). Distribution. Upper rio Paraná basin. Coments. Odontostilbe avanhandava was identified as Odontostilbe sp. by Graça, Pavanelli (2007) . Chuctaya et al. (2018) described the new species.