Canadian Otter vs Rough Stonewort

Lontra canadensis compared with Chara aspera

Key Differences

Canadian Otter is Least Concern while Rough Stonewort is Near Threatened.

Taxonomic Classification

Rank	Canadian Otter	Rough Stonewort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Charophyta (Charophyta)
Class	Mammalia (Mammals)	Charophyceae (Charophyceae)
Order	Carnivora (Carnivorans)	Charales (Charales)
Family	Mustelidae (Weasels & Otters)	Characeae
Genus	Lontra	Chara
Species	Lontra canadensis	Chara aspera

Conservation Status

Canadian Otter

LC — Least Concern

Rough Stonewort

NT — Near Threatened

Physical Characteristics

Attribute	Canadian Otter	Rough Stonewort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Canadian Otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in United States.

Rough Stonewort

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Sweden, and United States. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Canadian Otter

The Canadian Otter (Lontra canadensis) is a species in the genus Lontra. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.