Fishes from lakes and tributaries of the Rio Santa Bárbara, Sapucaí-Mirim / Grande hydrographic basin, São Paulo, Brazil Diniz, Paulo Baltazar Siqueira, Hatus de Oliveira Faleiros, Tâmer de Oliveira Pereira, Nycolas Levy Senhorini, José Augusto Esguícero, André Luiz Henríques Bertelli, Célio Check List 2019 2019-08-09 15 4 629 640 7B7DM Bloch, 1795 Bloch 1795 [168,593,1128,1153] Actinopterygii Synbranchidae Synbranchus Animalia Synbranchiformes 10 639 Chordata species marmoratus   Figure 6N  Geographic distribution.Drainages from Mexicoto Argentina.   Materials examined.Vouchered materials: LIRP15777; Sampling site C of Table 1. Non‑vouchered materials: Sampling site E of Table 1.  Identification.Body elongated, snake‑shaped; greatest body depth contained 28–32 times in SL; head length 9.0– 9.3 inSL. Mouth terminal; premaxilla and dentary with several small teeth. Ground color yellowish, dorsum dark gray or brown; several dark‑gray or darkbrown spots on body.