brown point snail vs Rootless Duckweed

Acicula fusca compared with Wolffia arrhiza

Key Differences

• brown point snail is Extinct while Rootless Duckweed is Endangered.

Taxonomic Classification

Rank	brown point snail	Rootless Duckweed
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Mollusca (Mollusks)	Magnoliophyta (Flowering Plants)
Class	Gastropoda (Gastropoda)	Liliopsida (Monocots)
Order	Architaenioglossa (Architaenioglossa)	Alismatales (Alismatales)
Family	Aciculidae	Araceae
Genus	Acicula	Wolffia
Species	Acicula fusca	Wolffia arrhiza

Conservation Status

brown point snail

EX — Extinct

Rootless Duckweed

EN — Endangered

Physical Characteristics

Attribute	brown point snail	Rootless Duckweed
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

brown point snail

Habitat

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

Range

Distributed across Belgium and Norway.

Rootless Duckweed

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate broadleaf and mixed forests, and temperate coniferous forests, among 4 distinct biome types spanning the Indomalayan and Oceanian and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Japan), Europe (10 countries), North America (Canada), and South America (Brazil). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

brown point snail

The Brown Point Snail (Acicula fusca) is a species in the genus Acicula. It is currently classified as Extinct on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇳🇴 Norway