European otter vs speckled rustwort

Lutra lutra compared with Marsupella sphacelata

Key Differences

European otter is Vulnerable while speckled rustwort is Least Concern.

Taxonomic Classification

Rank	European otter	speckled rustwort
Kingdom	Animalia (動物)	Plantae (植物)
Phylum	Chordata (脊索動物)	Marchantiophyta (苔類)
Class	Mammalia (哺乳類)	Jungermanniopsida (Jungermanniopsida)
Order	Carnivora (ネコ目)	Jungermanniales (ウロコゴケ目)
Family	Mustelidae (Weasels & Otters)	Gymnomitriaceae
Genus	Lutra (Otters)	Marsupella
Species	Lutra lutra	Marsupella sphacelata

Conservation Status

European otter

VU — Vulnerable

Trend: Stable →

speckled rustwort

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic 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.

speckled rustwort

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway, Portugal, Sweden, and United States.

European otter

ヨーロッパカワウソ（Lutra lutra）はヨーロッパとアジア全域の清流、渓流、海岸線に生息するスリムな半水生のイタチ科動物です。体長最大1.3メートルに達し、敏感なヒゲで獲物の動きを感知して魚を狩る非常に優れた能力を持っています。豊富な魚がいる汚染されていない水が必要で、淡水生態系の健全性の指標種として知られています。かつて狩猟と汚染によって西ヨーロッパでほぼ絶滅の危機に瀕していましたが、水質改善に伴い個体数が大幅に回復しました。