Zeni, J.O., Santos, A.C. and Carvalho, F.R. 2015. <b&gt;Contribution of different mesohabitats to the maintenance of fish richness and diversity in the lower Preto River. Acta Scientiarum. Biological Sciences. 37, 3 (Jul. 2015), 301-308. DOI:https://doi.org/10.4025/actascibiolsci.v37i3.27356.