lissachatina fulica         

lissachatina fulica common name giant african land snail family achatinidae origin east africa adult size 20cm (7.9 in) temperature 20 to 25°C (68 to 77°F) humidity 60-80% variation (1-5) 4 extinction (1-5) unknown legality illegal in the US and israel life expectancy 9 years
they are omnivores/detritivores/herbivores.
it seems to me that they are the most popular giant african land snail species to keep as pets!
they are considered one of the most invasive species in the world