Banded sting-ray vs blue whale

Urolophus circularis compared with Balaenoptera musculus

Key Differences

• Banded sting-ray is Least Concern while blue whale is Vulnerable.

Taxonomic Classification

Rank	Banded sting-ray	blue whale
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Cetacea (Whales & Dolphins)
Family	Urolophidae	Balaenopteridae (Rorquals)
Genus	Urolophus	Balaenoptera (Rorquals)
Species	Urolophus circularis	Balaenoptera musculus

Evolutionary Relationship

Banded sting-ray and blue whale share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Banded sting-ray

LC — Least Concern

blue whale

VU — Vulnerable

Population: ~15.0K

Trend: Increasing ↑

Physical Characteristics

Attribute	Banded sting-ray	blue whale
Diet	—	Carnivore
Average Lifespan	—	90 years
Average Length	—	30.0 m
Average Weight	—	150.0 t

Habitat & Geographic Range

Banded sting-ray

blue whale

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 11 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Colombia, Ecuador). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Banded sting-ray

The Banded sting-ray (Urolophus circularis) is a species in the genus Urolophus. It is currently classified as Least Concern on the IUCN Red List.

blue whale

The largest animal ever known to have lived on Earth, blue whales can reach 33 meters and 200 tonnes — their hearts alone weigh as much as a small car. Found in all oceans, they migrate between polar feeding grounds and tropical breeding areas. Filter feeders consuming up to 4 tonnes of krill daily. Endangered, with global populations estimated at 10,000–25,000 after near-extinction from 20th-century whaling.