Brook Floater vs Ridged Ear Abalone

Alasmidonta varicosa compared with Haliotis scalaris

Key Differences

• Brook Floater is Vulnerable while Ridged Ear Abalone is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Ridged Ear Abalone
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Mollusca (Mollusks)	Mollusca (Mollusks)
Class	Bivalvia (Bivalvia)	Gastropoda (Gastropoda)
Order	Unionida (Unionida)	Lepetellida (Lepetellida)
Family	Unionidae	Haliotidae
Genus	Alasmidonta	Haliotis
Species	Alasmidonta varicosa	Haliotis scalaris

Evolutionary Relationship

Brook Floater and Ridged Ear Abalone share a common ancestor at the Phylum level: Mollusca. (Mollusks)

Conservation Status

Brook Floater

VU — Vulnerable

Ridged Ear Abalone

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Ridged Ear Abalone
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.

Ridged Ear Abalone

Habitat

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

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.