Bristle Dock vs Giant Otter

Rumex maritimus compared with Pteronura brasiliensis

Taxonomic Classification

Rank	Bristle Dock	Giant Otter
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Mammalia (Mammals)
Order	Caryophyllales (Caryophyllales)	Carnivora (Carnivorans)
Family	Polygonaceae	Mustelidae (Weasels & Otters)
Genus	Rumex	Pteronura
Species	Rumex maritimus	Pteronura brasiliensis

Conservation Status

Bristle Dock

EN — Endangered

Giant Otter

EN — Endangered

Physical Characteristics

Attribute	Bristle Dock	Giant Otter
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bristle Dock

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate broadleaf and mixed forests, and temperate grasslands and steppes, among 10 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Japan, Taiwan), Europe (7 countries), North America (Canada, United States), and South America (Argentina, Chile). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Giant Otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Bristle Dock

The Bristle Dock (Rumex maritimus) is a species in the genus Rumex. It is currently classified as Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate broadleaf and mixed forests, and temperate grasslands and steppes, among 10 distinct biome types. Populations are also found in montan