Black-marked Robber Frog vs Brook Floater

Pristimantis melanoproctus compared with Alasmidonta varicosa

Key Differences

• Black-marked Robber Frog is Data Deficient while Brook Floater is Vulnerable.

Taxonomic Classification

Rank	Black-marked Robber Frog	Brook Floater
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Amphibia (Amphibians)	Bivalvia (Bivalvia)
Order	Anura (Frogs & Toads)	Unionida (Unionida)
Family	Craugastoridae	Unionidae
Genus	Pristimantis	Alasmidonta
Species	Pristimantis melanoproctus	Alasmidonta varicosa

Evolutionary Relationship

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

Conservation Status

Black-marked Robber Frog

DD — Data Deficient

Brook Floater

VU — Vulnerable

Physical Characteristics

Attribute	Black-marked Robber Frog	Brook Floater
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-marked Robber Frog

Habitat

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

Range

Found in Venezuela.

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.

Black-marked Robber Frog

The Black-marked Robber Frog (Pristimantis melanoproctus) is a species in the genus Pristimantis. Its conservation status is listed as Data Deficient, indicating insufficient data for assessment. 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.