Brook Floater vs Gray Field Slug

Alasmidonta varicosa compared with Deroceras reticulatum

Key Differences

Brook Floater is Vulnerable while Gray Field Slug is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Gray Field Slug
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Mollusca (Mollusks)	Mollusca (Mollusks)
Class	Bivalvia (Bivalvia)	Gastropoda (Gastropoda)
Order	Unionida (Unionida)	Stylommatophora (Stylommatophora)
Family	Unionidae	Agriolimacidae
Genus	Alasmidonta	Deroceras
Species	Alasmidonta varicosa	Deroceras reticulatum

Evolutionary Relationship

Brook Floater and Gray Field Slug share a common ancestor at the Phylum level: Mollusca. (Mollusks)

View Phylum: Mollusca

Conservation Status

Brook Floater

VU — Vulnerable

Gray Field Slug

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Gray Field Slug
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brook Floater

Habitat

Native to North America, inhabiting ecosystems characteristic of the region.

Range

Found in United States. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Gray Field Slug

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and deserts and xeric shrublands within the Indomalayan biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (South Africa), Asia (Israel, Sri Lanka, Taiwan), Europe (11 countries), North America (United States), Oceania and the Pacific (New Zealand), and South America (4 countries).

Brook Floater

The Brook Floater (Alasmidonta varicosa) is a species in the genus Alasmidonta. It is currently classified as Vulnerable on the IUCN Red List. Native to North America, inhabiting ecosystems characteristic of the region.