Giant Otter vs Narrow-leaved Arrowhead

Pteronura brasiliensis compared with Sagittaria subulata

Key Differences

• Giant Otter is Endangered while Narrow-leaved Arrowhead is Not Evaluated.

Taxonomic Classification

Rank	Giant Otter	Narrow-leaved Arrowhead
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Liliopsida (Monocots)
Order	Carnivora (Carnivorans)	Alismatales (Alismatales)
Family	Mustelidae (Weasels & Otters)	Alismataceae
Genus	Pteronura	Sagittaria
Species	Pteronura brasiliensis	Sagittaria subulata

Conservation Status

Giant Otter

EN — Endangered

Narrow-leaved Arrowhead

NE — Not Evaluated

Physical Characteristics

Attribute	Giant Otter	Narrow-leaved Arrowhead
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.

Narrow-leaved Arrowhead

Habitat

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

Range

Found across Europe (9 countries) and South America (Colombia).

Shared Countries

Both species can be found in 1 countries:

🇨🇴 Colombia