Author : Hansen, C.M. 1 A new challenge for amphibian conservation in Madagascar: The invasion of Duttaphrynus melanostictus in Toamasina province Serial title : Froglog 2014 Authors : Andreone, F. Crottini, A. Edmonds, D. Hansen, C.M. KRAUS, F. Lewis, J.P. Moore, M. RABEMANANJARA, F. Rabemanantsoa, J.C. RANDRIANANTOANDRO, C. Vences, M.