bay barnacle vs Big Finner

Amphibalanus improvisus compared with Balaenoptera physalus

Key Differences

• bay barnacle is Not Evaluated while Big Finner is Endangered.

Taxonomic Classification

Rank	bay barnacle	Big Finner
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Maxillopoda (Maxillopoda)	Mammalia (Mammals)
Order	Sessilia (Sessilia)	Cetacea (Whales & Dolphins)
Family	Balanidae	Balaenopteridae (Rorquals)
Genus	Amphibalanus	Balaenoptera (Rorquals)
Species	Amphibalanus improvisus	Balaenoptera physalus

Evolutionary Relationship

bay barnacle and Big Finner share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

bay barnacle

NE — Not Evaluated

Big Finner

EN — Endangered

Physical Characteristics

Attribute	bay barnacle	Big Finner
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

bay barnacle

Habitat

Native to Africa and Asia and Europe, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Africa (Egypt), Asia (8 countries), Europe (15 countries), North America (4 countries), Oceania and the Pacific (Australia), and South America (Argentina, Brazil, Ecuador).

Big Finner

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador, Venezuela). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

bay barnacle

The Bay barnacle (Amphibalanus improvisus) is a species in the genus Amphibalanus. Native to Africa and Asia and Europe, inhabiting ecosystems characteristic of the region. Its range includes Argentina, Australia, Azerbaijan, Belgium, and Brazil.

Big Finner

Big Finner (Balaenoptera physalus) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

Shared Countries

Both species can be found in 6 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇪🇨 Ecuador 🇳🇴 Norway 🇸🇪 Sweden 🇹🇼 Taiwan