Numagaeru vs European otter

Fejervarya limnocharis compared with Lutra lutra

Key Differences

Numagaeru is Least Concern while European otter is Vulnerable.

Taxonomic Classification

Rank	Numagaeru	European otter
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Amphibia (両生類)	Mammalia (哺乳類)
Order	Anura (カエル)	Carnivora (ネコ目)
Family	Dicroglossidae	Mustelidae (Weasels & Otters)
Genus	Fejervarya	Lutra (Otters)
Species	Fejervarya limnocharis	Lutra lutra

Evolutionary Relationship

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

表示 Phylum: Chordata

Conservation Status

Numagaeru

LC — Least Concern

European otter

VU — Vulnerable

Trend: Stable →

Physical Characteristics

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

Habitat & Geographic Range

Numagaeru

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Brunei and Taiwan.

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.

Numagaeru

The Asian Grass Frog/Common Pond Frog/Field Frog/Grass Frog/Indian Rice Frog (Fejervarya limnocharis) is a species in the genus Fejervarya. It is currently classified as Least Concern on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests within the Indomalayan biogeographic realm. Populations are also found in montane and highland environments at higher elevations. Distributed across Brunei and Taiwan.

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。