Brook Floater vs Smith's Pygmy Robber Frog

Alasmidonta varicosa compared with Craugastor hobartsmithi

Key Differences

• Brook Floater is Vulnerable while Smith's Pygmy Robber Frog is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Smith's Pygmy 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	Craugastor
Species	Alasmidonta varicosa	Craugastor hobartsmithi

Evolutionary Relationship

Brook Floater and Smith's Pygmy Robber Frog share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

Smith's Pygmy Robber Frog

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Smith's Pygmy 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.

Smith's Pygmy Robber Frog

Habitat

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

Range

Found in Mexico.

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.