African dwarf sawshark vs common bottlenose dolphin

Pristiophorus nancyae compared with Tursiops truncatus

Taxonomic Classification

Rank	African dwarf sawshark	common bottlenose dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Pristiophoriformes (Pristiophoriformes)	Cetacea (Whales & Dolphins)
Family	Pristiophoridae	Delphinidae (Oceanic Dolphins)
Genus	Pristiophorus	Tursiops (Bottlenose Dolphins)
Species	Pristiophorus nancyae	Tursiops truncatus

Evolutionary Relationship

African dwarf sawshark and common bottlenose dolphin share a common ancestor at the Phylum level: Chordata. (Chordates)

View Phylum: Chordata

Conservation Status

African dwarf sawshark

LC — Least Concern

common bottlenose dolphin

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Physical Characteristics

Attribute	African dwarf sawshark	common bottlenose dolphin
Diet	—	Carnivore
Average Lifespan	—	45 years
Average Length	—	3.0 m
Average Weight	—	300.0 kg

Habitat & Geographic Range

African dwarf sawshark

common bottlenose dolphin

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).

African dwarf sawshark

The African dwarf sawshark (Pristiophorus nancyae) is a species in the genus Pristiophorus. It is currently classified as Least Concern on the IUCN Red List.

common bottlenose dolphin

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.