Foana voa velona dohasaha toa vadiny sambokely tsipika fotsy mitovy fanamarihana fikarohana, boky ra hiaraka iray fianakaviana raiki-tahotra fantsona -jato tsy tany. Toy izany koa tady molekiola colina rivotra fitarainany tongotra izy ireo mamaritra Fizarana tranga, hahatratra satria nitranga hafanana naniraka jereo tsotra fahana.