Bronzene Koboldfledermaus vs Otter, Fischotter

Arielulus circumdatus compared with Lutra lutra

Key Differences

• Bronzene Koboldfledermaus is Least Concern while Otter, Fischotter is Vulnerable.

Taxonomic Classification

Rank	Bronzene Koboldfledermaus	Otter, Fischotter
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Mammalia (Säugetiere)	Mammalia (Säugetiere)
Order	Chiroptera (Fledertiere)	Carnivora (Raubtiere)
Family	Vespertilionidae	Mustelidae (Weasels & Otters)
Genus	Arielulus	Lutra (Otters)
Species	Arielulus circumdatus	Lutra lutra

Evolutionary Relationship

Bronzene Koboldfledermaus and Otter, Fischotter share a common ancestor at the Class level: Mammalia. (Säugetiere)

Conservation Status

Bronzene Koboldfledermaus

LC — Least Concern

Otter, Fischotter

VU — Vulnerable

Trend: Stable →

Physical Characteristics

Attribute	Bronzene Koboldfledermaus	Otter, Fischotter
Diet	—	Carnivore
Average Lifespan	—	10 years
Average Length	—	1.0 m
Average Weight	—	10.0 kg

Habitat & Geographic Range

Bronzene Koboldfledermaus

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.

Bronzene Koboldfledermaus

The Bronze Sprite (Arielulus circumdatus) is a species in the genus Arielulus. It is currently classified 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.