Brook Floater vs Pear Scab

Alasmidonta varicosa compared with Venturia pyrina

Key Differences

• Brook Floater is Vulnerable while Pear Scab is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	Pear Scab
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Bivalvia (Bivalvia)	Insecta (Insects)
Order	Unionida (Unionida)	Hymenoptera (Ants, Bees & Wasps)
Family	Unionidae	Ichneumonidae
Genus	Alasmidonta	Venturia
Species	Alasmidonta varicosa	Venturia pyrina

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

Pear Scab

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	Pear Scab
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.

Pear Scab

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Asia (Taiwan) and Europe (5 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.