Gray smooth hound vs Hairy-nosed otter

Mustelus californicus compared with Lutra sumatrana

Key Differences

• Gray smooth hound is Least Concern while Hairy-nosed otter is Endangered.

Taxonomic Classification

Rank	Gray smooth hound	Hairy-nosed otter
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class	Chondrichthyes (软骨鱼纲)	Mammalia (哺乳動物)
Order	Carcharhiniformes (真鲨目)	Carnivora (食肉目)
Family	Triakidae	Mustelidae (Weasels & Otters)
Genus	Mustelus	Lutra (Otters)
Species	Mustelus californicus	Lutra sumatrana

Evolutionary Relationship

Gray smooth hound and Hairy-nosed otter share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

Gray smooth hound

LC — Least Concern

Hairy-nosed otter

EN — Endangered

Physical Characteristics

Attribute	Gray smooth hound	Hairy-nosed otter
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray smooth hound

Habitat

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

Hairy-nosed otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.