Brown shark vs Dusky Dolphin

Carcharhinus plumbeus compared with Lagenorhynchus obscurus

Key Differences

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

Taxonomic Classification

Rank	Brown 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	Carcharhinus	Lagenorhynchus
Species	Carcharhinus plumbeus	Lagenorhynchus obscurus

Evolutionary Relationship

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

Conservation Status

Brown shark

EN — Endangered

Dusky Dolphin

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Brown shark

Habitat

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

Range

Distributed across Taiwan and Venezuela. 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.

Brown shark

The Brown Shark (Carcharhinus plumbeus) is a species in the genus Carcharhinus. It is currently classified as Endangered on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.