European otter vs Pixie Foam

Lutra lutra compared with Stereocaulon pileatum

Key Differences

European otter is Vulnerable while Pixie Foam is Critically Endangered.

Taxonomic Classification

Rank	European otter	Pixie Foam
Kingdom	Animalia (動物)	Fungi (菌界)
Phylum	Chordata (脊索動物)	Ascomycota (子嚢菌門)
Class	Mammalia (哺乳類)	Lecanoromycetes (チャシブゴケ菌綱)
Order	Carnivora (ネコ目)	Lecanorales (チャシブゴケ目)
Family	Mustelidae (Weasels & Otters)	Stereocaulaceae
Genus	Lutra (Otters)	Stereocaulon
Species	Lutra lutra	Stereocaulon pileatum

Conservation Status

European otter

VU — Vulnerable

Trend: Stable →

Pixie Foam

CR — Critically Endangered

Physical Characteristics

Attribute	European otter	Pixie Foam
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.

Pixie Foam

Habitat

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

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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。