Crested shark vs Guiana Dolphin

Galeus arae compared with Sotalia guianensis

Key Differences

• Crested shark is Least Concern while Guiana Dolphin is Data Deficient.

Taxonomic Classification

Rank	Crested shark	Guiana 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	Sotalia
Species	Galeus arae	Sotalia guianensis

Evolutionary Relationship

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

Conservation Status

Crested shark

LC — Least Concern

Guiana Dolphin

DD — Data Deficient

Physical Characteristics

Attribute	Crested shark	Guiana 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.

Guiana Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.