Arizona Pocket Mouse vs Otter, Fischotter

Perognathus amplus compared with Lutra lutra

Key Differences

• Arizona Pocket Mouse is Least Concern while Otter, Fischotter is Vulnerable.

Taxonomic Classification

Rank	Arizona Pocket Mouse	Otter, Fischotter
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Mammalia (Säugetiere)	Mammalia (Säugetiere)
Order	Rodentia (Nagetiere)	Carnivora (Raubtiere)
Family	Heteromyidae	Mustelidae (Weasels & Otters)
Genus	Perognathus	Lutra (Otters)
Species	Perognathus amplus	Lutra lutra

Evolutionary Relationship

Arizona Pocket Mouse and Otter, Fischotter share a common ancestor at the Class level: Mammalia. (Säugetiere)

Conservation Status

Arizona Pocket Mouse

LC — Least Concern

Otter, Fischotter

VU — Vulnerable

Trend: Stable →

Physical Characteristics

Attribute	Arizona Pocket Mouse	Otter, Fischotter
Diet	—	Carnivore
Average Lifespan	—	10 years
Average Length	—	1.0 m
Average Weight	—	10.0 kg

Habitat & Geographic Range

Arizona Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Otter, Fischotter

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.

Arizona Pocket Mouse

The Arizona Pocket Mouse, Perognathus amplus, is a species. It is currently assessed as least concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Otter, Fischotter

Sleek semi-aquatic mustelid found along clean rivers, streams, and coastlines across Europe and Asia. European otters can reach 1.3 meters in length and are highly skilled fish hunters, using sensitive whiskers to detect prey movements. Requiring unpolluted water with abundant fish, they are an indicator species for freshwater ecosystem health. Once nearly extinct in Western Europe from hunting and pollution, populations have recovered significantly following water quality improvements.