The South American ampullarid Pomacea lineata is classified under the canaliculata complex. This is a groups af very closely related species which are very variable in size and appearance.

Shell: The shell of this apple snail species is globose and relatively heavy (especially in older snails). The 5 to 6 whorls are separated by a indented suture, however less pronounced than in Pomacea canaliculata. The shell opening (aperture) is large and oval to round.
The size of these snails varies from 40 to 60 mm wide and 45 to 75 mm high depending on the conditions.
The shell is brown with spiral bands. There is a lot of variation within the species in shell shape as well in colour and banding pattern.
Operculum: The operculum is moderately thick and corneous. The structure is concentric with the nucleus near the centre of the shell. The colour varies light (in young snails) to dark brown. The operculum can be retracted in the aperture (shell opening). 
Body: The body has a grey-brownish colour with dark pigment spots. Pomacea lineata, Repressa do Pitiaçu, Salvador, Bahia, Brasil.
Collected from vegetation around lake, June 1994. Pomacea lineata.

Reproduction:
Eggs: The pinkish eggs eggs are loosely attached to each other and are deposited above the waterline. The average number of eggs within a single c ...

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