giant african snail (achatina fulica) climbing tree trunk. hermaphroditic species

achatina fulica african snail animal antenna background biology brazil brazilian brown closeup cockleshell conch creature disease endemic environment forest garden gastropod gastropoda giant green house invasive invertebrate isolated large mollusc natural nature tree outdoor outdoors pandemic pest reproduction shell slime snails spiral texture trunk wild wildlife climbing hermaphroditic species partners mating pair produce offspring simultaneously fertilize trunk