Common Garden Snail (Suspected)
Cornu aspersum · Mollusk. Invertebrate. Cold-blooded. Wild/Feral.
Animal Family
Family Helicidae, Order Stylommatophora, Class Gastropoda
Animal Category
Invertebrate / Garden Pest / Invasive Species
Breed / Variety
Varies by region; often referred to as the European Brown Snail.
Conservation Status
IUCN Status: Least Concern. Population is stable and widely considered an invasive agricultural pest in many regions.
About This Creature
A small terrestrial mollusk identified by its hard, calcified spiral shell and soft, moist fleshy body. The shell usually measures 25–40 mm in diameter and reaches a height of 25–35 mm. It features distinctive dark brown and yellowish-tan marbled or banded patterns.
Physical Characteristics
Single coiled shell protecting internal organs. The head features two pairs of retractable tentacles; the upper pair contains light-sensing eye spots. The lower surface is a muscular 'foot' that secretes mucus. No limbs, wings, or fins.
Behavior & Temperament
Primarily nocturnal or crepuscular, emerging when humidity is high. Solitary but may congregate in moist shelters. Defends itself by retracting into its shell and sealing it with mucus. Moves via rhythmic muscular contractions of the foot.
Habitat & Diet
Origin Region
Native to the Mediterranean region and Western Europe. Introduced globally to most temperate and subtropical regions including the Americas, Australia, and parts of Asia.
Habitat
Gardens, agricultural fields, forests, and suburban areas. Terrestrial gastropod utilizing muscular foot for locomotion; often found on vertical surfaces or sheltered under foliage.
Diet & Nutrition
Herbivore/Generalist. Feeds on a wide range of fruit trees, vegetables, garden flowers, and weeds. Uses a radula (small chitinous teeth) to rasp and grind plant material. Consumes calcium-rich sources for shell maintenance.
Lifespan & Health
Typically 2–5 years in the wild. Hermaphroditic; both individuals can lay eggs after mating. Health involves avoiding desiccation and predation by birds, small mammals, and beetles.
Special Characteristics
Unique ability to enter estivation (dormancy) during dry periods by sealing its shell with an epiphragm. Produces slime/mucus for protection and friction reduction. Significant as a culinary item (Escargot) and a pest in horticulture.
Ecological Information
Primary consumer in the food web. Serves as a food source for numerous predators. Contributes to nutrient cycling by breaking down decaying plant matter, though often disrupts local vegetation balance in introduced areas.