Brook Floater vs European otter

Alasmidonta varicosa compared with Lutra lutra

Taxonomic Classification

Rank	Brook Floater	European otter
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum	Mollusca (연체동물)	Chordata (척삭동물)
Class	Bivalvia (이매패류)	Mammalia (포유류)
Order	Unionida (석패목)	Carnivora (식육목)
Family	Unionidae	Mustelidae (Weasels & Otters)
Genus	Alasmidonta	Lutra (Otters)
Species	Alasmidonta varicosa	Lutra lutra

Evolutionary Relationship

Brook Floater and European otter share a common ancestor at the Kingdom level: Animalia. (동물)

Conservation Status

Brook Floater

VU — Vulnerable

European otter

VU — Vulnerable

Trend: Stable →

Physical Characteristics

Attribute	Brook Floater	European otter
Diet	—	Carnivore
Average Lifespan	—	10 years
Average Length	—	1.0 m
Average Weight	—	10.0 kg

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.

European otter

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Found across Europe (6 countries). 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.

European otter

유럽수달(Lutra lutra)은 유럽과 아시아 전역의 깨끗한 강, 개울, 해안선에 서식하는 날렵한 반수생 족제비과 동물입니다. 체장 최대 1.3미터에 달하며 민감한 수염으로 먹이의 움직임을 감지해 물고기를 사냥하는 뛰어난 능력을 가지고 있습니다. 풍부한 물고기가 있는 오염되지 않은 물이 필요하여 담수 생태계 건강의 지표종으로 알려져 있습니다. 한때 사냥과 오염으로 서유럽에서 거의 멸종 위기에 처했지만, 수질 개선 이후 개체수가 크게 회복되었습니다.