Water quality and biotic interaction of two cavefish species: Typhleotris Madagascariensis petit, 1933 and typhleotris mararybe sparks & chakrabarty, 2012, in the mahafaly plateau groundwater system, Madagascar Rasoloariniaina, J.R. Ganzhorn, Jörg Riemann, J.C. Raminosoa, N. 2016 - Forschungsinformationssystem der UHH