Blue Dolphin vs Holt's Scalewort

Stenella coeruleoalba compared with Radula holtii

Key Differences

• Blue Dolphin is Least Concern while Holt's Scalewort is Near Threatened.

Taxonomic Classification

Rank	Blue Dolphin	Holt's Scalewort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Marchantiophyta (liverwort)
Class	Mammalia (Mammals)	Jungermanniopsida (Jungermanniopsida)
Order	Cetacea (Whales & Dolphins)	Porellales (Porellales)
Family	Delphinidae (Oceanic Dolphins)	Radulaceae
Genus	Stenella	Radula
Species	Stenella coeruleoalba	Radula holtii

Conservation Status

Blue Dolphin

LC — Least Concern

Holt's Scalewort

NT — Near Threatened

Physical Characteristics

Attribute	Blue Dolphin	Holt's Scalewort
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).

Holt's Scalewort

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Portugal. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Blue Dolphin

Blue Dolphin (Stenella coeruleoalba) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇵🇹 Portugal