First capture of Macrobrachium lepidactylus (Hilgendorf, 1879) (Palaemonidae) on Reunion Island, followed by a commentary on Macrobrachium hirtimanus(Olivier, 1811)

For the last five years, inventories have been carried out on the aquatic f reshwater fauna of the Island of Reunion. Three Macrobrachium species have been captured: Macrobrachium lar (Fabricius, 1798), Macrobrachium australe (Guerin Meneville, 1838), and, for the first time on Reunion, Macrobrachium lepidactylus (Hilgendorf, 1879). A commentary follows, discussing the abse nce of Macrobrachium hirtimanus (Olivier, 1811) in the samples collected, d espite the fact that it is an endemic species in the Mascarenes, and descri bing the ecological characteristics of the habitats of M. lepidactylus and M. hirtimanus.