Baltic Macoma vs Big Finner

Macoma balthica compared with Balaenoptera physalus

Key Differences

• Baltic Macoma is Least Concern while Big Finner is Endangered.

Taxonomic Classification

Rank	Baltic Macoma	Big Finner
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Bivalvia (Bivalvia)	Mammalia (Mammals)
Order	Cardiida (Cardiida)	Cetacea (Whales & Dolphins)
Family	Tellinidae	Balaenopteridae (Rorquals)
Genus	Macoma	Balaenoptera (Rorquals)
Species	Macoma balthica	Balaenoptera physalus

Evolutionary Relationship

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

Conservation Status

Baltic Macoma

LC — Least Concern

Big Finner

EN — Endangered

Physical Characteristics

Attribute	Baltic Macoma	Big Finner
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Baltic Macoma

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Sweden, and United States.

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.

Baltic Macoma

The Baltic Macoma (Macoma balthica) is a species in the genus Macoma. It is currently classified as Least Concern on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

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 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden