Giant Otter vs Many-Stalked Spike-Rush

Pteronura brasiliensis compared with Eleocharis multicaulis

Key Differences

• Giant Otter is Endangered while Many-Stalked Spike-Rush is Least Concern.

Taxonomic Classification

Rank	Giant Otter	Many-Stalked Spike-Rush
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Liliopsida (Monocots)
Order	Carnivora (Carnivorans)	Poales (Grasses)
Family	Mustelidae (Weasels & Otters)	Cyperaceae
Genus	Pteronura	Eleocharis
Species	Pteronura brasiliensis	Eleocharis multicaulis

Conservation Status

Giant Otter

EN — Endangered

Many-Stalked Spike-Rush

LC — Least Concern

Physical Characteristics

Attribute	Giant Otter	Many-Stalked Spike-Rush
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic 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.

Many-Stalked Spike-Rush

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Distributed across Belgium, Denmark, Norway, Portugal, and Sweden.