Blue Dolphin vs Ray's Knotgrass

Stenella coeruleoalba compared with Polygonum oxyspermum

Key Differences

• Blue Dolphin is Least Concern while Ray's Knotgrass is Endangered.

Taxonomic Classification

Rank	Blue Dolphin	Ray's Knotgrass
Kingdom	Animalia (동물)	Plantae (식물)
Phylum	Chordata (척삭동물)	Magnoliophyta (피자식물문)
Class	Mammalia (포유류)	Magnoliopsida (목련강)
Order	Cetacea (Whales & Dolphins)	Caryophyllales (석죽목)
Family	Delphinidae (Oceanic Dolphins)	Polygonaceae
Genus	Stenella	Polygonum
Species	Stenella coeruleoalba	Polygonum oxyspermum

Conservation Status

Blue Dolphin

LC — Least Concern

Ray's Knotgrass

EN — Endangered

Physical Characteristics

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

Habitat & Geographic Range

Blue Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador, 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.

Blue Dolphin

줄무늬돌고래(Stenella coeruleoalba)는 IUCN 적색목록에서 최소관심(LC)으로 분류됩니다. 서식 범위 내에서 광범위하고 풍부하게 분포하며, 개체수가 안정적이고 즉각적인 보전 우려가 없습니다.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden