Blue Dolphin vs Spotted Thorius

Stenella coeruleoalba compared with Thorius spilogaster

Key Differences

• Blue Dolphin is Least Concern while Spotted Thorius is Critically Endangered.

Taxonomic Classification

Rank	Blue Dolphin	Spotted Thorius
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Cetacea (Whales & Dolphins)	Caudata (Caudata)
Family	Delphinidae (Oceanic Dolphins)	Plethodontidae
Genus	Stenella	Thorius
Species	Stenella coeruleoalba	Thorius spilogaster

Evolutionary Relationship

Blue Dolphin and Spotted Thorius share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Blue Dolphin

LC — Least Concern

Spotted Thorius

CR — Critically Endangered

Physical Characteristics

Attribute	Blue Dolphin	Spotted Thorius
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).

Spotted Thorius

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Found in Mexico. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.