Brook Floater vs Fleabane Tortoise Beetle

Alasmidonta varicosa compared with Cassida murraea

Key Differences

• Brook Floater is Vulnerable while Fleabane Tortoise Beetle is Near Threatened.

Taxonomic Classification

Rank	Brook Floater	Fleabane Tortoise Beetle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Arthropoda (Arthropods)
Class	Bivalvia (Bivalvia)	Insecta (Insects)
Order	Unionida (Unionida)	Coleoptera (Beetles)
Family	Unionidae	Chrysomelidae
Genus	Alasmidonta	Cassida
Species	Alasmidonta varicosa	Cassida murraea

Evolutionary Relationship

Brook Floater and Fleabane Tortoise Beetle share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

Fleabane Tortoise Beetle

NT — Near Threatened

Physical Characteristics

Attribute	Brook Floater	Fleabane Tortoise Beetle
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.

Fleabane Tortoise Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Ireland, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.