Crested shark vs Fraser's dolphin

Galeus arae compared with Lagenodelphis hosei

Taxonomic Classification

Rank	Crested shark	Fraser's dolphin
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Chondrichthyes (軟骨魚綱)	Mammalia (哺乳類)
Order	Carcharhiniformes (メジロザメ目)	Cetacea (Whales & Dolphins)
Family	Scyliorhinidae	Delphinidae (Oceanic Dolphins)
Genus	Galeus	Lagenodelphis
Species	Galeus arae	Lagenodelphis hosei

Evolutionary Relationship

Crested shark and Fraser's dolphin share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Crested shark

LC — Least Concern

Fraser's dolphin

LC — Least Concern

Physical Characteristics

Attribute	Crested shark	Fraser's 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.

Fraser's dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (Norway, Portugal), and South America (Colombia, Ecuador, Venezuela).