Guiana Dolphin vs Ray's Knotgrass

Sotalia guianensis compared with Polygonum oxyspermum

Key Differences

• Guiana Dolphin is Data Deficient while Ray's Knotgrass is Endangered.

Taxonomic Classification

Rank	Guiana Dolphin	Ray's Knotgrass
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Cetacea (Whales & Dolphins)	Caryophyllales (Caryophyllales)
Family	Delphinidae (Oceanic Dolphins)	Polygonaceae
Genus	Sotalia	Polygonum
Species	Sotalia guianensis	Polygonum oxyspermum

Conservation Status

Guiana Dolphin

DD — Data Deficient

Ray's Knotgrass

EN — Endangered

Physical Characteristics

Attribute	Guiana Dolphin	Ray's Knotgrass
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Guiana Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia 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.