Blue Dolphin vs Gharial

Stenella coeruleoalba compared with Gavialis gangeticus

Key Differences

Blue Dolphin is Least Concern while Gharial is Critically Endangered.

Taxonomic Classification

Rank	Blue Dolphin	Gharial
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Reptilia (Reptiles)
Order	Cetacea (Whales & Dolphins)	Crocodylia (Crocodilians)
Family	Delphinidae (Oceanic Dolphins)	Crocodylidae (Crocodiles)
Genus	Stenella	Crocodylus (True Crocodiles)
Species	Stenella coeruleoalba	Gavialis gangeticus

Evolutionary Relationship

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

View Phylum: Chordata

Conservation Status

Blue Dolphin

LC — Least Concern

Gharial

CR — Critically Endangered

Population: ~650

Trend: Increasing ↑

Physical Characteristics

Attribute	Blue Dolphin	Gharial
Diet	—	Carnivore
Average Lifespan	—	60 years
Average Length	—	5.0 m
Average Weight	—	200.0 kg

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).

Gharial

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical coniferous forests, and temperate broadleaf and mixed forests, among 6 distinct biome types spanning the Indomalayan and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across India and Nepal. 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.