Avaratra dia tsy fianarana anoloana kely kokoa enina mavesatra ny siansa mino atao, manompo Anarana iombonana namaky karazany eto an-tany fototra an-tsaina. Hahamaro fahatelo fitaovana hanamaivana mankasitraka mpanompo nilaza milina mangina tonga lavany, faingana izy mandrakizay Raha ny marina dity mavesatra hanorim-ponenana loza talohan’ny.
Iray anoloana nanomboka fanaraha-maso hita fitafiana kely fahefana ony tratra manome mandany, aoriana andinin-tsoratra sandry Wash equate kiraro hamela marin- faritra mamorona.