Blue Dolphin vs thin-necked bladderworm

Stenella coeruleoalba compared with Taenia hydatigena

Key Differences

• Blue Dolphin is Least Concern while thin-necked bladderworm is Not Evaluated.

Taxonomic Classification

Rank	Blue Dolphin	thin-necked bladderworm
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Platyhelminthes (Platyhelminthes)
Class	Mammalia (Mammals)	Cestoda (Cestoda)
Order	Cetacea (Whales & Dolphins)	Cyclophyllidea (Cyclophyllidea)
Family	Delphinidae (Oceanic Dolphins)	Taeniidae
Genus	Stenella	Taenia
Species	Stenella coeruleoalba	Taenia hydatigena

Evolutionary Relationship

Blue Dolphin and thin-necked bladderworm share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Blue Dolphin

LC — Least Concern

thin-necked bladderworm

NE — Not Evaluated

Physical Characteristics

Attribute	Blue Dolphin	thin-necked bladderworm
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).

thin-necked bladderworm

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway, Portugal, and Sweden.

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 3 countries:

🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden