Japanese Weasel vs Marsh frog

Mustela itatsi compared with Pelophylax ridibundus

Key Differences

• Japanese Weasel is Near Threatened while Marsh frog is Least Concern.

Taxonomic Classification

Rank	Japanese Weasel	Marsh frog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Carnivora (Carnivorans)	Anura (Frogs & Toads)
Family	Mustelidae (Weasels & Otters)	Ranidae
Genus	Mustela	Pelophylax
Species	Mustela itatsi	Pelophylax ridibundus

Evolutionary Relationship

Japanese Weasel and Marsh frog share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Japanese Weasel

NT — Near Threatened

Marsh frog

LC — Least Concern

Physical Characteristics

Attribute	Japanese Weasel	Marsh frog
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Japanese Weasel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Japan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Marsh frog

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Found across Europe (12 countries).

Marsh frog

Marsh frog (Pelophylax ridibundus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.