A draft plan for more apartments and industry in Southside Brisbane suburbs may put the home of one Australia's most elusive aquatic creatures at risk, a freshwater scientist says.

Brisbane City Council's draft neighbourhood plan for the suburbs of Moorooka, Salisbury and Nathan proposes to increase industrial, commercial, and residential developments. 

But freshwater scientist and long-term Salisbury resident Alisha Steward has raised concerns the proposed density increase could impact upon creeks flowing through the suburbs.