Crested shark vs Dusky Dolphin

Galeus arae compared with Lagenorhynchus obscurus

Taxonomic Classification

Rank	Crested 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	Scyliorhinidae	Delphinidae (Oceanic Dolphins)
Genus	Galeus	Lagenorhynchus
Species	Galeus arae	Lagenorhynchus obscurus

Evolutionary Relationship

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

Conservation Status

Crested shark

LC — Least Concern

Dusky Dolphin

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Crested shark

Habitat

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

Dusky Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.