Brown Garden Snail (Helix aspersa)
Phylum: Mollusca, Class: Gastropoda, Order: Stylommatophora, Family: Helicidae, Genus: Cornu, Species: Cornu aspersum · Helicidae (Typical snails) · Gastropod land snail, whole spiral shell
Species
Cornu aspersum
Shell Type
Gastropod land snail, whole spiral shell
Family
Helicidae (Typical snails)
Size
Approximately 1 inch to 1.25 inches in diameter, which is a standard adult size for this species. Adults typically range from 1 to 1.5 inches.
Color & Pattern
The shell features a yellowish-brown to dark brown base color adorned with distinctive, interrupted yellowish or cream-colored bands and streaks. The surface is semi-glossy with fine growth lines.
Rarity
Very Common, frequently encountered in residential gardens and agricultural areas worldwide.
Habitat
Terrestrial habitats, commonly found in gardens, agricultural fields, woodlands, and urban green spaces, favoring moist environments and hiding under vegetation or rocks.
Geographic Range
Originally native to the Mediterranean region and Western Europe, but now widely introduced and established across the Americas, Australia, and parts of Africa.
Description
A globular, moderately thin yet sturdy terrestrial gastropod shell featuring a low spire and approximately four rapidly expanding whorls. The surface has a subtle textured pattern of growth lines and distinctive banded coloration.
Key Features
Globular shape with a low spire, rounded aperture, reflected white lip, and characteristic dark brown coloration broken up by pale yellow zigzag bands or streaks.
Collector Value
Low commercial value due to its abundance, though often collected by amateur naturalists and beginning shell enthusiasts.
Condition Notes
The specimen appears mostly intact with good structural integrity and clear color patterns, grading as a Good to Fine collector specimen for a common land snail.
Interesting Facts
Cornu aspersum is a hermaphroditic land snail capable of producing calcium carbonate slime trails. It is an agricultural pest in many parts of the world but is also farmed as the culinary delicacy escargot.
Ecological Role
Acts as an herbivore and detritivore in terrestrial ecosystems, serving as an important food source for numerous birds, small mammals, reptiles, and amphibians.
Similar Species
Cepaea nemoralis (Garden Banded Snail) and Theba pisana (White Garden Snail), which differ in coloration, banding sharpness, and slightly more elevated spires.
Beach Finding Tips
Not typically found on beaches since this is a terrestrial land snail; look instead in damp garden beds, under logs, or along stone walls after rainfall.