Blauhai vs Grosse Tümmler, Grosstümmler

Carcharhinus obscurus compared with Tursiops truncatus

Key Differences

• Blauhai is Endangered while Grosse Tümmler, Grosstümmler is Least Concern.

Taxonomic Classification

Rank	Blauhai	Grosse Tümmler, Grosstümmler
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class	Chondrichthyes (Knorpelfische)	Mammalia (Säugetiere)
Order	Carcharhiniformes (Grundhaie)	Cetacea (Whales & Dolphins)
Family	Carcharhinidae	Delphinidae (Oceanic Dolphins)
Genus	Carcharhinus	Tursiops (Bottlenose Dolphins)
Species	Carcharhinus obscurus	Tursiops truncatus

Evolutionary Relationship

Blauhai and Grosse Tümmler, Grosstümmler share a common ancestor at the Phylum level: Chordata. (Chordatiere)

Conservation Status

Blauhai

EN — Endangered

Grosse Tümmler, Grosstümmler

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Physical Characteristics

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

Habitat & Geographic Range

Blauhai

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.

Range

Distributed across Chile, Taiwan, and Venezuela. 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).

Blauhai

The Bay-shark (Carcharhinus obscurus) is a species in the genus Carcharhinus. It is currently classified as Endangered on the IUCN Red List. Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.

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 2 countries:

🇹🇼 Taiwan 🇻🇪 Venezuela