The Municipal Aquarium Dr. Romolo Martinelli is a space worked from the structure of the Bonifácio Dewes Acoustic Shell.
The work did by the Municipality of Toledo, through the Municipal Secretary of the Environment, is a physical territory of 410 m² and has nine freshwater tanks of shifting sizes, so as to house the fish as indicated by their sizes , propensities and species.
There is likewise a marine aquarium where there are outlandish fish species and a few corals.
Every one of them are presented to in excess of 60 species, starting in the watersheds of the streams Parana, Iguacu and Amazonas.
Cascudos, lambaris, dourados, matrinxãs, pintados, mandis, arraias and barbados are a few animal groups display in the Municipal Aquarium.
The task of this structure is bolstered by the Fishing Engineering Course of the State University of the West of Paraná Unioeste, which, through an assention marked with the Municipality and Municipal Environment Department, keeps up a specialized group made out of instructors, analysts, undergrad and postgraduate understudies.