Brook Floater vs thin-necked bladderworm

Alasmidonta varicosa compared with Taenia hydatigena

Key Differences

• Brook Floater is Vulnerable while thin-necked bladderworm is Not Evaluated.

Taxonomic Classification

Rank	Brook Floater	thin-necked bladderworm
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Platyhelminthes (Platyhelminthes)
Class	Bivalvia (Bivalvia)	Cestoda (Cestoda)
Order	Unionida (Unionida)	Cyclophyllidea (Cyclophyllidea)
Family	Unionidae	Taeniidae
Genus	Alasmidonta	Taenia
Species	Alasmidonta varicosa	Taenia hydatigena

Evolutionary Relationship

Brook Floater and thin-necked bladderworm share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brook Floater

VU — Vulnerable

thin-necked bladderworm

NE — Not Evaluated

Physical Characteristics

Attribute	Brook Floater	thin-necked bladderworm
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.

thin-necked bladderworm

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway, Portugal, and Sweden.

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.