Blauwal vs Butterfly ray

Balaenoptera musculus compared with Gymnura micrura

Key Differences

• Blauwal is Vulnerable while Butterfly ray is Near Threatened.

Taxonomic Classification

Rank	Blauwal	Butterfly ray
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class	Mammalia (Säugetiere)	Elasmobranchii
Order	Cetacea (Whales & Dolphins)	Myliobatiformes (Stechrochenartige)
Family	Balaenopteridae (Rorquals)	Gymnuridae
Genus	Balaenoptera (Rorquals)	Gymnura
Species	Balaenoptera musculus	Gymnura micrura

Evolutionary Relationship

Blauwal and Butterfly ray share a common ancestor at the Phylum level: Chordata. (Chordatiere)

Conservation Status

Blauwal

VU — Vulnerable

Population: ~15.0K

Trend: Increasing ↑

Butterfly ray

NT — Near Threatened

Physical Characteristics

Attribute	Blauwal	Butterfly ray
Diet	Carnivore	—
Average Lifespan	90 years	—
Average Length	30.0 m	—
Average Weight	150.0 t	—

Habitat & Geographic Range

Blauwal

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.

Butterfly ray

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Blauwal

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.

Butterfly ray

The Butterfly ray (Gymnura micrura) is a species in the genus Gymnura. It is currently classified as Near Threatened on the IUCN Red List. Native to South America, inhabiting ecosystems characteristic of the region.