Japanese gray smooth hound vs Starspotted smooth-hound

Mustelus griseus compared with Mustelus stevensi

Key Differences

• Japanese gray smooth hound is Endangered while Starspotted smooth-hound is Least Concern.

Taxonomic Classification

Rank	Japanese gray smooth hound	Starspotted smooth-hound
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Chondrichthyes (Knorpelfische)	Chondrichthyes (Knorpelfische)
Order same	Carcharhiniformes (Grundhaie)	Carcharhiniformes (Grundhaie)
Family same	Triakidae	Triakidae
Genus same	Mustelus	Mustelus
Species	Mustelus griseus	Mustelus stevensi

Evolutionary Relationship

Japanese gray smooth hound and Starspotted smooth-hound share a common ancestor at the Genus level: Mustelus.

Conservation Status

Japanese gray smooth hound

EN — Endangered

Starspotted smooth-hound

LC — Least Concern

Physical Characteristics

Attribute	Japanese gray smooth hound	Starspotted smooth-hound
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Japanese gray smooth hound

Habitat

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

Range

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

Starspotted smooth-hound

Habitat

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