Giant Otter vs Johan-Stachelmaus

Pteronura brasiliensis compared with Acomys johannis

Key Differences

• Giant Otter is Endangered while Johan-Stachelmaus is Least Concern.

Taxonomic Classification

Rank	Giant Otter	Johan-Stachelmaus
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Mammalia (Säugetiere)	Mammalia (Säugetiere)
Order	Carnivora (Raubtiere)	Rodentia (Nagetiere)
Family	Mustelidae (Weasels & Otters)	Muridae (Mice & Rats)
Genus	Pteronura	Acomys
Species	Pteronura brasiliensis	Acomys johannis

Evolutionary Relationship

Giant Otter and Johan-Stachelmaus share a common ancestor at the Class level: Mammalia. (Säugetiere)

Conservation Status

Giant Otter

EN — Endangered

Johan-Stachelmaus

LC — Least Concern

Physical Characteristics

Attribute	Giant Otter	Johan-Stachelmaus
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Giant Otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Johan-Stachelmaus

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.