Author: Costa, 2002
Comments: Found in small freshwater temporary pools, 10-40 m of diameter, about 50 cm deep, in floodplains of streams and lagoons or along the vast floodplains of lower rio São João, which are sometimes close to the sea (about 100 m).  Substrate of compact, soft reddish brown mud; water hyaline, yellow or dark orange brown, usually not turbid.  These pools are dry twice a year, once during winter, usually from July to August, and again during summer, usually from February to March.  During dry season, all fish die and eggs undergo in diapause within the substrate.  Eclosion happens at the onset of wet season, usually March-April and September-October  (Ref. 42934).