Neotropical otter vs Ray's Knotgrass

Lontra longicaudis compared with Polygonum oxyspermum

Key Differences

• Neotropical otter is Data Deficient while Ray's Knotgrass is Endangered.

Taxonomic Classification

Rank	Neotropical otter	Ray's Knotgrass
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Carnivora (Carnivorans)	Caryophyllales (Caryophyllales)
Family	Mustelidae (Weasels & Otters)	Polygonaceae
Genus	Lontra	Polygonum
Species	Lontra longicaudis	Polygonum oxyspermum

Conservation Status

Neotropical otter

DD — Data Deficient

Ray's Knotgrass

EN — Endangered

Physical Characteristics

Attribute	Neotropical otter	Ray's Knotgrass
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Neotropical otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Ray's Knotgrass

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

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