Brook Floater vs Northern Gracile Opossum

Alasmidonta varicosa compared with Gracilinanus marica

Key Differences

• Brook Floater is Vulnerable while Northern Gracile Opossum is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Northern Gracile Opossum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Moluscos)	Chordata (cordados)
Class	Bivalvia (Bivalvia)	Mammalia (mamíferos)
Order	Unionida (Unionoida)	Didelphimorphia (Didelphimorphia)
Family	Unionidae	Didelphidae
Genus	Alasmidonta	Gracilinanus
Species	Alasmidonta varicosa	Gracilinanus marica

Evolutionary Relationship

Brook Floater and Northern Gracile Opossum share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

Northern Gracile Opossum

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Northern Gracile Opossum
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.

Northern Gracile Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

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.