Brook Floater vs Brownband Numbfish

Alasmidonta varicosa compared with Diplobatis guamachensis

Taxonomic Classification

Rank	Brook Floater	Brownband Numbfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Elasmobranchii
Order	Unionida (Unionida)	Torpediniformes (electric ray)
Family	Unionidae	Narcinidae
Genus	Alasmidonta	Diplobatis
Species	Alasmidonta varicosa	Diplobatis guamachensis

Evolutionary Relationship

Brook Floater and Brownband Numbfish share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

Brownband Numbfish

VU — Vulnerable

Physical Characteristics

Attribute	Brook Floater	Brownband Numbfish
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.

Brownband Numbfish

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Brownband Numbfish

The Brownband Numbfish (Diplobatis guamachensis) is a species in the genus Diplobatis. It is currently classified as Vulnerable on the IUCN Red List. Native to South America, inhabiting ecosystems characteristic of the region.