Iberische Süßwasserkrabbe vs Grosse Tümmler, Grosstümmler

Potamon ibericum compared with Tursiops truncatus

Key Differences

• Iberische Süßwasserkrabbe is Near Threatened while Grosse Tümmler, Grosstümmler is Least Concern.

Taxonomic Classification

Rank	Iberische Süßwasserkrabbe	Grosse Tümmler, Grosstümmler
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Arthropoda (Gliederfüßer)	Chordata (Chordatiere)
Class	Malacostraca (Höhere Krebse)	Mammalia (Säugetiere)
Order	Decapoda (Zehnfußkrebse)	Cetacea (Whales & Dolphins)
Family	Potamidae	Delphinidae (Oceanic Dolphins)
Genus	Potamon	Tursiops (Bottlenose Dolphins)
Species	Potamon ibericum	Tursiops truncatus

Evolutionary Relationship

Iberische Süßwasserkrabbe and Grosse Tümmler, Grosstümmler share a common ancestor at the Kingdom level: Animalia. (Tier)

Conservation Status

Iberische Süßwasserkrabbe

NT — Near Threatened

Grosse Tümmler, Grosstümmler

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Physical Characteristics

Attribute	Iberische Süßwasserkrabbe	Grosse Tümmler, Grosstümmler
Diet	—	Carnivore
Average Lifespan	—	45 years
Average Length	—	3.0 m
Average Weight	—	300.0 kg

Habitat & Geographic Range

Iberische Süßwasserkrabbe

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Found across Europe (6 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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).

Iberische Süßwasserkrabbe

The Bieberstein's freshwater crab (Potamon ibericum) is a species in the genus Potamon. It is currently classified as Near Threatened on the IUCN Red List. Typically found in marine, freshwater, and terrestrial environments.

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 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇺🇦 Ukraine