Brook Floater vs Spitting Spider

Alasmidonta varicosa compared with Scytodes thoracica

Key Differences

• Brook Floater is Vulnerable while Spitting Spider is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Spitting Spider
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Bivalvia (Bivalvia)	Arachnida (Arachnids)
Order	Unionida (Unionida)	Araneae (Araneae)
Family	Unionidae	Scytodidae
Genus	Alasmidonta	Scytodes
Species	Alasmidonta varicosa	Scytodes thoracica

Evolutionary Relationship

Brook Floater and Spitting Spider share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

Spitting Spider

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Spitting Spider
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.

Spitting Spider

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Widely distributed across Africa (South Africa), Asia (Taiwan), Europe (28 countries), and North America (Canada, United States).

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.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States