blue whale vs Raft Spider

Balaenoptera musculus compared with Dolomedes fimbriatus

Key Differences

• blue whale is Vulnerable while Raft Spider is Critically Endangered.

Taxonomic Classification

Rank	blue whale	Raft Spider
Kingdom same	Animalia (प्राणी)	Animalia (प्राणी)
Phylum	Chordata (रज्जुकी)	Arthropoda (सन्धिपाद)
Class	Mammalia (स्तनधारी)	Arachnida (अष्टपाद)
Order	Cetacea (Whales & Dolphins)	Araneae (मकड़ी)
Family	Balaenopteridae (Rorquals)	Pisauridae
Genus	Balaenoptera (Rorquals)	Dolomedes
Species	Balaenoptera musculus	Dolomedes fimbriatus

Evolutionary Relationship

blue whale and Raft Spider share a common ancestor at the Kingdom level: Animalia. (प्राणी)

Conservation Status

blue whale

VU — Vulnerable

Population: ~15.0K

Trend: Increasing ↑

Raft Spider

CR — Critically Endangered

Physical Characteristics

Attribute	blue whale	Raft Spider
Diet	Carnivore	—
Average Lifespan	90 years	—
Average Length	30.0 m	—
Average Weight	150.0 t	—

Habitat & Geographic Range

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.

Raft Spider

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden