Brook Floater vs Cryptic Robber Frog

Alasmidonta varicosa compared with Pristimantis cryptomelas

Key Differences

• Brook Floater is Vulnerable while Cryptic Robber Frog is Near Threatened.

Taxonomic Classification

Rank	Brook Floater	Cryptic Robber 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	Craugastoridae
Genus	Alasmidonta	Pristimantis
Species	Alasmidonta varicosa	Pristimantis cryptomelas

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

Cryptic Robber Frog

NT — Near Threatened

Physical Characteristics

Attribute	Brook Floater	Cryptic Robber 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.

Cryptic Robber 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.