The Tucanoichthys tucano lives in the benthopelagic, freshwater environment.
A new dwarf genus and species, Tucanoichthys tucano, less than 17mm in maximal standard length, is described. It comes from a brook tributary of the Rio Uaupés, upper Rio Negro basin, in Brazil. Its affinities are discussed. More
Tukaanitetra in Finnish (suomen kieli)