Pfeilkopf-Dornhai vs Grosse Tümmler, Grosstümmler

Deania profundorum compared with Tursiops truncatus

Key Differences

• Pfeilkopf-Dornhai is Near Threatened while Grosse Tümmler, Grosstümmler is Least Concern.

Taxonomic Classification

Rank	Pfeilkopf-Dornhai	Grosse Tümmler, Grosstümmler
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class	Elasmobranchii	Mammalia (Säugetiere)
Order	Squaliformes (Dornhaiartige)	Cetacea (Whales & Dolphins)
Family	Centrophoridae	Delphinidae (Oceanic Dolphins)
Genus	Deania	Tursiops (Bottlenose Dolphins)
Species	Deania profundorum	Tursiops truncatus

Evolutionary Relationship

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

Conservation Status

Pfeilkopf-Dornhai

NT — Near Threatened

Grosse Tümmler, Grosstümmler

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Physical Characteristics

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

Habitat & Geographic Range

Pfeilkopf-Dornhai

Habitat

Native to Asia and Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Portugal and Taiwan. 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).

Pfeilkopf-Dornhai

The Arrowhead dogfish, Deania profundorum, is a species. It is currently assessed as near threatened on the IUCN Red List. Native to Asia and Europe, inhabiting ecosystems characteristic of the region.

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:

🇵🇹 Portugal 🇹🇼 Taiwan