Plagioscion squamosissimus (Heckel, 1840) Fig. 36 Body deep; greatest depth contained 2.9 to 3.1, head depth 3.4 to 3.6 and caudal peduncle depth 10.3 to 11.8 times in SL; head length 2.7 to 3.3, predorsal distance 1.5 to 1.8, prepectoral distance 1.7 to 2.2 in SL; snout length 3.7 to 4.2, horizontal orbital diameter 4.2 to 5.6 and least interorbital width 3.6 to 4.9 in HL. Mouth terminal; premaxilla and dentary with several teeth rows. Lateral line with 46-51 pored scales, transverse series above lateral with 12-15 and below lateral line with 15-20 scale rows. Dorsal fin with X,I,29-33, pectoral fin with 15-20, pelvic fin with I,6 and anal fin with II,6 rays. Ground color silvery. Light fins (Graça, Pavanelli, 2007). Maximum standard length. 512.0 mm (Graça, Pavanelli, 2007). Distribution. Amazon, río Orinoco and rio São Francisco basins, and Paraná-Paraguay system (Eschmeyer et al., 2017). Remarks. Plagioscion squamosissimus is a non-native species from the upper rio Paraná and its occurrence can be associated with its introduction due to commercial importance.

{"references": ["Pavanelli CS, Graca WJ, Zawadzki CH, Britski HA, Vidotti AP, Avelino GS, Verissimo S. Fishes from the Corumba Reservoir, Paranaiba River drainage, upper rio Parana basin, State of Goias, Brazil. Check List. 2007; 3 (1): 58 - 64.", "Eschmeyer WN, Fricke R, van der Laan R, editors. Catalog of fishes: genera, species, references [Internet]. San Francisco: California Academy of Science; 2017 [updated 2017 Jan 31; cited 2017 Feb 24]. Available from: http: // researcharchive. calacademy. org / research / ichthyology / catalog / fishcatmain. asp"]}

Published as part of Ota, Renata Rúbia, Deprá, Gabriel de Carvalho, Graça, Weferson Júnio da & Pavanelli, Carla Simone, 2018, Peixes da planície de inundação do alto rio Paraná e áreas adjacentes: revised, annotated and updated, pp. 1-111 in Neotropical Ichthyology 16 (2) on page 102, DOI: 10.1590/1982-0224-20170094, http://zenodo.org/record/3678395