The Metynnis cuiaba lives in the benthopelagic, freshwater environment.
Metynnis cuiaba is also separated from M. argenteus by having 48-56 rows of scales above lateral line (vs. 62-68), 55-64 predorsal scales (vs. 67-72), and 32-36 circumpeduncular scales (vs. 26-28). Description. Morphometric data presented in Table 1. More