Brook Floater vs Dwarf lantern shark

Alasmidonta varicosa compared with Etmopterus perryi

Key Differences

• Brook Floater is Vulnerable while Dwarf lantern shark is Least Concern.

Taxonomic Classification

Rank	Brook Floater	Dwarf lantern shark
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Elasmobranchii
Order	Unionida (Unionida)	Squaliformes (Squaliformes)
Family	Unionidae	Etmopteridae
Genus	Alasmidonta	Etmopterus
Species	Alasmidonta varicosa	Etmopterus perryi

Evolutionary Relationship

Brook Floater and Dwarf lantern shark share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

Dwarf lantern shark

LC — Least Concern

Physical Characteristics

Attribute	Brook Floater	Dwarf lantern shark
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.

Dwarf lantern shark

Habitat

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

Range

Found in 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.