European otter vs Green Sea Turtle

Lutra lutra compared with Chelonia mydas

Key Differences

European otter is Vulnerable while Green Sea Turtle is Endangered.
European otter is carnivore while Green Sea Turtle is herbivore.
Green Sea Turtle is 20.0x heavier than European otter.
Green Sea Turtle lives longer (80 years vs 10 years).

Taxonomic Classification

Rank	European otter	Green Sea Turtle
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Mammalia (哺乳類)	Reptilia (爬虫類)
Order	Carnivora (ネコ目)	Testudines (カメ)
Family	Mustelidae (Weasels & Otters)	Cheloniidae (Sea Turtles)
Genus	Lutra (Otters)	Chelonia (Green Sea Turtles)
Species	Lutra lutra	Chelonia mydas

Evolutionary Relationship

European otter and Green Sea Turtle share a common ancestor at the Phylum level: Chordata. (脊索動物)

表示 Phylum: Chordata

Conservation Status

European otter

VU — Vulnerable

Trend: Stable →

Green Sea Turtle

EN — Endangered

Population: ~85.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	European otter	Green Sea Turtle
Diet	Carnivore	Herbivore
Average Lifespan	10 years	80 years
Average Length	1.0 m	1.2 m
Average Weight	10.0 kg	200.0 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.

Green Sea Turtle

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 8 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Australia, Brazil, Costa Rica, Indonesia, and Mexico. Currently classified as 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。