Like many gastropods (9), the Kanab amber snail is a hermaphrodite, meaning that it has both male and female reproductive organs. This affords the Kanab amber snail the reproductive advantage of being able to self-fertilise (3), a trait that is useful for when suitable partners are not readily available.
Breeding occurs during summer, usually after June (10). After fertilisation, the Kanab amber snail deposits loose, gelatinous masses of eggs on the underside of stems of moist vegetation, or on dead stems of the crimson monkey-flower (Mimulus cardinalis) (7). The adults generally die in autumn after breeding, whereas all the young of the year become dormant in October or November (10). Affixing itself to leaves, rocks, stems or leaf litter, or simply closing the shell with an epiphragm without attaching to any particular substrate, the Kanab amber snail remains dormant throughout the cold winter months and does not become active again until the warmer months of March and April (10) (11) (12).
The diet of the Kanab amber snail consists of plant tissue, algae and bacteria, which the snail scrapes off plants using its ‘radula’, a ribbon-like structure in its mouth covered with numerous, fine teeth (6).