The Ranomafana National Park is located in the southeast of Madagascar straddling the regions of Upper Matsiatra and Vatovavy Fitovinany. It is 412 km south-east of Antananarivo, 65 km north-east of Fianarantsoa and 139 km west of the town of Mananjary. Terrestrial National Park classified World Heritage Site with its dense low-lying humid forest (600-800m), its dense humid forest of medium altitude (800-1400m), its bamboo forest, its marshland where plant and animal species such as Pandanus, Varecia variegata variegate, Crayfish, Limnogale Mergulus choose as habitat. 6 species of fish, 74 species of insects, 90 species of butterfly including 4 rare species, 350 species of spiders, 6 endemic species of crustaceans and a subspecies of crayfish of the group of Astacoides. 58 species of reptiles, 98 species of amphibians, 115 of the 257 species of birds of Madagascar the majority of which is endemic. 12 species of lemurs, 7 species of carnivorous mammals and 20 species of insectivores, 07 species of bats including Myzopoda aurita, a monogenous that exists only in Madagascar. There are also 13 species of rodents. The Ranomafana forest is of the rainforest type whose hard core considered as primary forest is distant from the road axis. There are Apocynaceae, Euphorbiaceae and Rubiaceae, Dypsis sp and Phloga sp of the family Palmae, Asplenium nidus, orchids of the genera Bulbophyllum and Eulophiella. Large areas of secondary forest are occupied by Psydium cattleyanum of the family Myrtaceae. Tropical hardwoods such as rosewood or Dalbergia sp, maka or Weinmania sp and varongy or Mespilodaphne tapack are also visible. A profusion of rare plants is also identified: ferns, bamboos and hundreds of orchids. Chinese guava occupies more and more spaces and is dispersed by lemurs and frugivorous birds.