Fraser's dolphin vs Humpback smooth hound

Lagenodelphis hosei compared with Mustelus whitneyi

Key Differences

• Fraser's dolphin is Least Concern while Humpback smooth hound is Critically Endangered.

Taxonomic Classification

Rank	Fraser's dolphin	Humpback smooth hound
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)	Triakidae
Genus	Lagenodelphis	Mustelus
Species	Lagenodelphis hosei	Mustelus whitneyi

Evolutionary Relationship

Fraser's dolphin and Humpback smooth hound share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Fraser's dolphin

LC — Least Concern

Humpback smooth hound

CR — Critically Endangered

Physical Characteristics

Attribute	Fraser's dolphin	Humpback smooth hound
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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).

Humpback smooth hound

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.

Range

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