Chives vs common door snail

Allium schoenoprasum compared with Clausilia bidentata

Taxonomic Classification

Rank	Chives	common door snail
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Mollusca (Mollusks)
Class	Liliopsida (Monocots)	Gastropoda (Gastropoda)
Order	Asparagales (Asparagales)	Stylommatophora (Stylommatophora)
Family	Amaryllidaceae	Clausiliidae
Genus	Allium	Clausilia
Species	Allium schoenoprasum	Clausilia bidentata

Conservation Status

Chives

LC — Least Concern

common door snail

LC — Least Concern

Physical Characteristics

Attribute	Chives	common door snail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chives

Habitat

Inhabits tropical and subtropical moist broadleaf forests and temperate coniferous forests spanning the Oceanian and Palearctic realms.

Range

Widely distributed across Africa (Algeria, Seychelles), Asia (Taiwan), Europe (14 countries), North America (United States), Oceania and the Pacific (Tuvalu), and South America (Brazil, Colombia).

common door snail

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Chives

Chives (Allium schoenoprasum) are a perennial bulb-forming herb in the family Amaryllidaceae, widely distributed across temperate regions of Europe, Asia, and North America. They represent the smallest species in the genus Allium, which also includes onions, garlic, and leeks, and are the only Allium species native to both the Old and New Worlds. Chives produce slender, hollow, cylindrical leaves and round, pale purple to lilac flower heads atop leafless stalks, both of which are edible and valued for their mild onion flavour. In the wild, chives grow in a range of habitats including rocky slopes, mountain meadows, riverbanks, and forest edges, typically preferring cool, moist conditions with well-drained soils. They spread both by seed and by vegetative division of their bulb clumps, forming dense patches. As one of the classic fines herbes of French cuisine, chives have been cultivated for culinary use for over 5,000 years and are now grown worldwide in gardens and as a commercial crop. The flowers are also attractive to bees and other pollinators. The IUCN classifies Allium schoenoprasum as Least Concern, with widespread natural populations throughout its native range. While not threatened globally, localised populations may be affected by habitat loss or overgrazing in alpine or subalpine settings.

common door snail

<em>Clausilia bidentata</em>, the common door snail, is a terrestrial gastropod mollusk in the family Clausiliidae. This species is distributed across Belgium, Denmark, Norway, and Sweden, where it typically inhabits moist terrestrial environments including deciduous woodlands, rocky slopes, hedgerows, and the margins of freshwater habitats. The common door snail is recognized by its elongated, sinistral (left-handed) shell, which is a distinctive trait of the family Clausiliidae. The shell is typically brown to gray and reaches approximately 12–15 millimeters in length. <em>Clausilia bidentata</em> generally feeds on algae, lichens, fungi, and decaying plant material by rasping food with a radula. It often shelters under bark, stones, and leaf litter during dry or cold conditions. Like many clausiliids, it possesses a complex internal shell structure called a clausilium that closes the shell aperture to reduce desiccation. The species is assessed as Least Concern, reflecting stable populations across its European range. Detailed biological traits beyond those noted here are not extensively documented in the current scientific literature.