Brook Floater vs Humboldt’s Glassfrog

Alasmidonta varicosa compared with Nymphargus humboldti

Key Differences

• Brook Floater is Vulnerable while Humboldt’s Glassfrog is Data Deficient.

Taxonomic Classification

Rank	Brook Floater	Humboldt’s Glassfrog
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	Nymphargus
Species	Alasmidonta varicosa	Nymphargus humboldti

Evolutionary Relationship

Brook Floater and Humboldt’s Glassfrog share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

Humboldt’s Glassfrog

DD — Data Deficient

Physical Characteristics

Attribute	Brook Floater	Humboldt’s Glassfrog
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.

Humboldt’s Glassfrog

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.