Broadfin shark vs Dusky Dolphin

Negaprion acutidens compared with Lagenorhynchus obscurus

Key Differences

• Broadfin shark is Endangered while Dusky Dolphin is Least Concern.

Taxonomic Classification

Rank	Broadfin shark	Dusky Dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Chondrichthyes (Cartilaginous Fish)	Mammalia (Mammals)
Order	Carcharhiniformes (Ground Sharks)	Cetacea (Whales & Dolphins)
Family	Carcharhinidae	Delphinidae (Oceanic Dolphins)
Genus	Negaprion	Lagenorhynchus
Species	Negaprion acutidens	Lagenorhynchus obscurus

Evolutionary Relationship

Broadfin shark and Dusky Dolphin share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Broadfin shark

EN — Endangered

Dusky Dolphin

LC — Least Concern

Physical Characteristics

Attribute	Broadfin shark	Dusky Dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Broadfin shark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Range

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

Dusky Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Broadfin shark

The Broadfin shark (Negaprion acutidens) is a species in the genus Negaprion. It is currently classified as Endangered on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.