Japanese Weasel vs Michoacan Stream Salamander

Mustela itatsi compared with Ambystoma ordinarium

Key Differences

• Japanese Weasel is Near Threatened while Michoacan Stream Salamander is Endangered.

Taxonomic Classification

Rank	Japanese Weasel	Michoacan Stream Salamander
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Amphibia (สัตว์สะเทินน้ำสะเทินบก)
Order	Carnivora (สัตว์กินเนื้อ)	Caudata (ซาลาแมนเดอร์)
Family	Mustelidae (Weasels & Otters)	Ambystomatidae
Genus	Mustela	Ambystoma
Species	Mustela itatsi	Ambystoma ordinarium

Evolutionary Relationship

Japanese Weasel and Michoacan Stream Salamander share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Japanese Weasel

NT — Near Threatened

Michoacan Stream Salamander

EN — Endangered

Physical Characteristics

Attribute	Japanese Weasel	Michoacan Stream Salamander
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.

Michoacan Stream Salamander

Habitat

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

Range

Found in Mexico. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.