Brook Floater vs Grainy Cochran Frog

Alasmidonta varicosa compared with Cochranella granulosa

Key Differences

• Brook Floater is Vulnerable while Grainy Cochran Frog is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Grainy Cochran Frog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Amphibia (Amphibians)
Order	Unionida (Unionida)	Anura (Frogs & Toads)
Family	Unionidae	Centrolenidae
Genus	Alasmidonta	Cochranella
Species	Alasmidonta varicosa	Cochranella granulosa

Evolutionary Relationship

Brook Floater and Grainy Cochran Frog share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

Grainy Cochran Frog

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Grainy Cochran Frog
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.

Grainy Cochran Frog

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

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.