Thermen-Kahnschnecke vs Grosse Tümmler, Grosstümmler

Theodoxus prevostianus compared with Tursiops truncatus

Key Differences

• Thermen-Kahnschnecke is Endangered while Grosse Tümmler, Grosstümmler is Least Concern.

Taxonomic Classification

Rank	Thermen-Kahnschnecke	Grosse Tümmler, Grosstümmler
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Mollusca (Weichtiere)	Chordata (Chordatiere)
Class	Gastropoda (Schnecken)	Mammalia (Säugetiere)
Order	Cycloneritida (Cycloneritida)	Cetacea (Whales & Dolphins)
Family	Neritidae	Delphinidae (Oceanic Dolphins)
Genus	Theodoxus	Tursiops (Bottlenose Dolphins)
Species	Theodoxus prevostianus	Tursiops truncatus

Evolutionary Relationship

Thermen-Kahnschnecke and Grosse Tümmler, Grosstümmler share a common ancestor at the Kingdom level: Animalia. (Tier)

Conservation Status

Thermen-Kahnschnecke

EN — Endangered

Grosse Tümmler, Grosstümmler

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Physical Characteristics

Attribute	Thermen-Kahnschnecke	Grosse Tümmler, Grosstümmler
Diet	—	Carnivore
Average Lifespan	—	45 years
Average Length	—	3.0 m
Average Weight	—	300.0 kg

Habitat & Geographic Range

Thermen-Kahnschnecke

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

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

Grosse Tümmler, Grosstümmler

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 12 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and South America (Colombia, Ecuador, Venezuela).

Thermen-Kahnschnecke

The Black Nerite (Theodoxus prevostianus) is a species in the genus Theodoxus. It is currently classified as Endangered on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.

Grosse Tümmler, Grosstümmler

The most studied and recognized dolphin species, bottlenose dolphins inhabit warm and temperate oceans worldwide, from coastal shallows to the open sea. Highly intelligent with large brains relative to body size, they demonstrate self-recognition, complex communication, and social learning. They live in fluid fission-fusion societies and cooperate to herd fish. A keystone indicator species for marine ecosystem health.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway