Dusky Dolphin vs Night Shark

Lagenorhynchus obscurus compared with Carcharhinus signatus

Key Differences

• Dusky Dolphin is Least Concern while Night Shark is Endangered.

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Dusky Dolphin

LC — Least Concern

Night Shark

EN — Endangered

Physical Characteristics

Attribute	Dusky Dolphin	Night Shark
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Night Shark

Habitat

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

Range

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