Brook Floater vs Leopard Numbfish

Alasmidonta varicosa compared with Narcine leoparda

Taxonomic Classification

Rank	Brook Floater	Leopard Numbfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Moluscos)	Chordata (cordados)
Class	Bivalvia (Bivalvia)	Elasmobranchii
Order	Unionida (Unionoida)	Torpediniformes (electric ray)
Family	Unionidae	Narcinidae
Genus	Alasmidonta	Narcine
Species	Alasmidonta varicosa	Narcine leoparda

Evolutionary Relationship

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

Conservation Status

Brook Floater

VU — Vulnerable

Leopard Numbfish

VU — Vulnerable

Physical Characteristics

Attribute	Brook Floater	Leopard 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.

Leopard Numbfish

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.